diff --git a/pyqtgraph/widgets/BusyCursor.py b/pyqtgraph/widgets/BusyCursor.py
index b013dda0..d99fe589 100644
--- a/pyqtgraph/widgets/BusyCursor.py
+++ b/pyqtgraph/widgets/BusyCursor.py
@@ -1,4 +1,4 @@
-from pyqtgraph.Qt import QtGui, QtCore
+from ..Qt import QtGui, QtCore
 
 __all__ = ['BusyCursor']
 
diff --git a/pyqtgraph/widgets/CheckTable.py b/pyqtgraph/widgets/CheckTable.py
index dd33fd75..22015126 100644
--- a/pyqtgraph/widgets/CheckTable.py
+++ b/pyqtgraph/widgets/CheckTable.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-from pyqtgraph.Qt import QtGui, QtCore
+from ..Qt import QtGui, QtCore
 from . import VerticalLabel
 
 __all__ = ['CheckTable']
diff --git a/pyqtgraph/widgets/ColorButton.py b/pyqtgraph/widgets/ColorButton.py
index ee91801a..40f6740f 100644
--- a/pyqtgraph/widgets/ColorButton.py
+++ b/pyqtgraph/widgets/ColorButton.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
-from pyqtgraph.Qt import QtGui, QtCore
-import pyqtgraph.functions as functions
+from ..Qt import QtGui, QtCore
+from .. import functions as functions
 
 __all__ = ['ColorButton']
 
diff --git a/pyqtgraph/widgets/ColorMapWidget.py b/pyqtgraph/widgets/ColorMapWidget.py
index 26539d7e..1874f5d1 100644
--- a/pyqtgraph/widgets/ColorMapWidget.py
+++ b/pyqtgraph/widgets/ColorMapWidget.py
@@ -1,8 +1,8 @@
-from pyqtgraph.Qt import QtGui, QtCore
-import pyqtgraph.parametertree as ptree
+from ..Qt import QtGui, QtCore
+from .. import parametertree as ptree
 import numpy as np
-from pyqtgraph.pgcollections import OrderedDict
-import pyqtgraph.functions as fn
+from ..pgcollections import OrderedDict
+from .. import functions as fn
 
 __all__ = ['ColorMapWidget']
 
diff --git a/pyqtgraph/widgets/ComboBox.py b/pyqtgraph/widgets/ComboBox.py
index 1884648c..72ac384f 100644
--- a/pyqtgraph/widgets/ComboBox.py
+++ b/pyqtgraph/widgets/ComboBox.py
@@ -1,5 +1,5 @@
-from pyqtgraph.Qt import QtGui, QtCore
-from pyqtgraph.SignalProxy import SignalProxy
+from ..Qt import QtGui, QtCore
+from ..SignalProxy import SignalProxy
 
 
 class ComboBox(QtGui.QComboBox):
diff --git a/pyqtgraph/widgets/DataFilterWidget.py b/pyqtgraph/widgets/DataFilterWidget.py
index c94f6c68..cae8be86 100644
--- a/pyqtgraph/widgets/DataFilterWidget.py
+++ b/pyqtgraph/widgets/DataFilterWidget.py
@@ -1,8 +1,8 @@
-from pyqtgraph.Qt import QtGui, QtCore
-import pyqtgraph.parametertree as ptree
+from ..Qt import QtGui, QtCore
+from .. import parametertree as ptree
 import numpy as np
-from pyqtgraph.pgcollections import OrderedDict
-import pyqtgraph as pg
+from ..pgcollections import OrderedDict
+from .. import functions as fn
 
 __all__ = ['DataFilterWidget']
 
@@ -108,7 +108,7 @@ class RangeFilterItem(ptree.types.SimpleParameter):
         return mask
     
     def describe(self):
-        return "%s < %s < %s" % (pg.siFormat(self['Min'], suffix=self.units), self.fieldName, pg.siFormat(self['Max'], suffix=self.units))
+        return "%s < %s < %s" % (fn.siFormat(self['Min'], suffix=self.units), self.fieldName, fn.siFormat(self['Max'], suffix=self.units))
     
 class EnumFilterItem(ptree.types.SimpleParameter):
     def __init__(self, name, opts):
diff --git a/pyqtgraph/widgets/DataTreeWidget.py b/pyqtgraph/widgets/DataTreeWidget.py
index a6b5cac8..b99121bf 100644
--- a/pyqtgraph/widgets/DataTreeWidget.py
+++ b/pyqtgraph/widgets/DataTreeWidget.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
-from pyqtgraph.Qt import QtGui, QtCore
-from pyqtgraph.pgcollections import OrderedDict
+from ..Qt import QtGui, QtCore
+from ..pgcollections import OrderedDict
 import types, traceback
 import numpy as np
 
diff --git a/pyqtgraph/widgets/FeedbackButton.py b/pyqtgraph/widgets/FeedbackButton.py
index f788f4b6..30114d4e 100644
--- a/pyqtgraph/widgets/FeedbackButton.py
+++ b/pyqtgraph/widgets/FeedbackButton.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-from pyqtgraph.Qt import QtCore, QtGui
+from ..Qt import QtCore, QtGui
 
 __all__ = ['FeedbackButton']
 
diff --git a/pyqtgraph/widgets/FileDialog.py b/pyqtgraph/widgets/FileDialog.py
index 33b838a2..faa0994c 100644
--- a/pyqtgraph/widgets/FileDialog.py
+++ b/pyqtgraph/widgets/FileDialog.py
@@ -1,4 +1,4 @@
-from pyqtgraph.Qt import QtGui, QtCore
+from ..Qt import QtGui, QtCore
 import sys
 
 __all__ = ['FileDialog']
diff --git a/pyqtgraph/widgets/GradientWidget.py b/pyqtgraph/widgets/GradientWidget.py
index 7cbc032e..ce0cbeb9 100644
--- a/pyqtgraph/widgets/GradientWidget.py
+++ b/pyqtgraph/widgets/GradientWidget.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
-from pyqtgraph.Qt import QtGui, QtCore
+from ..Qt import QtGui, QtCore
 from .GraphicsView import GraphicsView
-from pyqtgraph.graphicsItems.GradientEditorItem import GradientEditorItem
+from ..graphicsItems.GradientEditorItem import GradientEditorItem
 import weakref
 import numpy as np
 
diff --git a/pyqtgraph/widgets/GraphicsLayoutWidget.py b/pyqtgraph/widgets/GraphicsLayoutWidget.py
index 1e667278..3c34ca58 100644
--- a/pyqtgraph/widgets/GraphicsLayoutWidget.py
+++ b/pyqtgraph/widgets/GraphicsLayoutWidget.py
@@ -1,5 +1,5 @@
-from pyqtgraph.Qt import QtGui
-from pyqtgraph.graphicsItems.GraphicsLayout import GraphicsLayout
+from ..Qt import QtGui
+from ..graphicsItems.GraphicsLayout import GraphicsLayout
 from .GraphicsView import GraphicsView
 
 __all__ = ['GraphicsLayoutWidget']
diff --git a/pyqtgraph/widgets/GraphicsView.py b/pyqtgraph/widgets/GraphicsView.py
index fb535929..f3f4856a 100644
--- a/pyqtgraph/widgets/GraphicsView.py
+++ b/pyqtgraph/widgets/GraphicsView.py
@@ -5,23 +5,22 @@ Copyright 2010  Luke Campagnola
 Distributed under MIT/X11 license. See license.txt for more infomation.
 """
 
-from pyqtgraph.Qt import QtCore, QtGui
-import pyqtgraph as pg
+from ..Qt import QtCore, QtGui, USE_PYSIDE
 
 try:
-    from pyqtgraph.Qt import QtOpenGL
+    from ..Qt import QtOpenGL
     HAVE_OPENGL = True
 except ImportError:
     HAVE_OPENGL = False
 
-from pyqtgraph.Point import Point
+from ..Point import Point
 import sys, os
 from .FileDialog import FileDialog
-from pyqtgraph.GraphicsScene import GraphicsScene
+from ..GraphicsScene import GraphicsScene
 import numpy as np
-import pyqtgraph.functions as fn
-import pyqtgraph.debug as debug
-import pyqtgraph 
+from .. import functions as fn
+from .. import debug as debug
+from .. import getConfigOption
 
 __all__ = ['GraphicsView']
 
@@ -73,7 +72,7 @@ class GraphicsView(QtGui.QGraphicsView):
         QtGui.QGraphicsView.__init__(self, parent)
         
         if useOpenGL is None:
-            useOpenGL = pyqtgraph.getConfigOption('useOpenGL')
+            useOpenGL = getConfigOption('useOpenGL')
         
         self.useOpenGL(useOpenGL)
         
@@ -108,7 +107,7 @@ class GraphicsView(QtGui.QGraphicsView):
         
         ## Workaround for PySide crash
         ## This ensures that the scene will outlive the view.
-        if pyqtgraph.Qt.USE_PYSIDE:
+        if USE_PYSIDE:
             self.sceneObj._view_ref_workaround = self
         
         ## by default we set up a central widget with a grid layout.
@@ -138,7 +137,7 @@ class GraphicsView(QtGui.QGraphicsView):
         """
         self._background = background
         if background == 'default':
-            background = pyqtgraph.getConfigOption('background')
+            background = getConfigOption('background')
         brush = fn.mkBrush(background)
         self.setBackgroundBrush(brush)
     
diff --git a/pyqtgraph/widgets/HistogramLUTWidget.py b/pyqtgraph/widgets/HistogramLUTWidget.py
index cbe8eb61..9aec837c 100644
--- a/pyqtgraph/widgets/HistogramLUTWidget.py
+++ b/pyqtgraph/widgets/HistogramLUTWidget.py
@@ -3,9 +3,9 @@ Widget displaying an image histogram along with gradient editor. Can be used to
 This is a wrapper around HistogramLUTItem
 """
 
-from pyqtgraph.Qt import QtGui, QtCore
+from ..Qt import QtGui, QtCore
 from .GraphicsView import GraphicsView
-from pyqtgraph.graphicsItems.HistogramLUTItem import HistogramLUTItem
+from ..graphicsItems.HistogramLUTItem import HistogramLUTItem
 
 __all__ = ['HistogramLUTWidget']
 
diff --git a/pyqtgraph/widgets/JoystickButton.py b/pyqtgraph/widgets/JoystickButton.py
index 201a957a..6f73c8dc 100644
--- a/pyqtgraph/widgets/JoystickButton.py
+++ b/pyqtgraph/widgets/JoystickButton.py
@@ -1,4 +1,4 @@
-from pyqtgraph.Qt import QtGui, QtCore
+from ..Qt import QtGui, QtCore
 
 
 __all__ = ['JoystickButton']
diff --git a/pyqtgraph/widgets/LayoutWidget.py b/pyqtgraph/widgets/LayoutWidget.py
index f567ad74..65d04d3f 100644
--- a/pyqtgraph/widgets/LayoutWidget.py
+++ b/pyqtgraph/widgets/LayoutWidget.py
@@ -1,4 +1,4 @@
-from pyqtgraph.Qt import QtGui, QtCore
+from ..Qt import QtGui, QtCore
 
 __all__ = ['LayoutWidget']
 class LayoutWidget(QtGui.QWidget):
diff --git a/pyqtgraph/widgets/MatplotlibWidget.py b/pyqtgraph/widgets/MatplotlibWidget.py
index 6a22c973..959e188a 100644
--- a/pyqtgraph/widgets/MatplotlibWidget.py
+++ b/pyqtgraph/widgets/MatplotlibWidget.py
@@ -1,4 +1,4 @@
-from pyqtgraph.Qt import QtGui, QtCore, USE_PYSIDE
+from ..Qt import QtGui, QtCore, USE_PYSIDE
 import matplotlib
 
 if USE_PYSIDE: 
diff --git a/pyqtgraph/widgets/MultiPlotWidget.py b/pyqtgraph/widgets/MultiPlotWidget.py
index 400bee92..58b71296 100644
--- a/pyqtgraph/widgets/MultiPlotWidget.py
+++ b/pyqtgraph/widgets/MultiPlotWidget.py
@@ -6,7 +6,7 @@ Distributed under MIT/X11 license. See license.txt for more infomation.
 """
 
 from .GraphicsView import GraphicsView
-import pyqtgraph.graphicsItems.MultiPlotItem as MultiPlotItem
+from ..graphicsItems import MultiPlotItem as MultiPlotItem
 
 __all__ = ['MultiPlotWidget']
 class MultiPlotWidget(GraphicsView):
@@ -42,4 +42,4 @@ class MultiPlotWidget(GraphicsView):
         self.mPlotItem.close()
         self.mPlotItem = None
         self.setParent(None)
-        GraphicsView.close(self)
\ No newline at end of file
+        GraphicsView.close(self)
diff --git a/pyqtgraph/widgets/PathButton.py b/pyqtgraph/widgets/PathButton.py
index 7950a53d..0c62bb1b 100644
--- a/pyqtgraph/widgets/PathButton.py
+++ b/pyqtgraph/widgets/PathButton.py
@@ -1,5 +1,6 @@
-from pyqtgraph.Qt import QtGui, QtCore
-import pyqtgraph as pg
+from ..Qt import QtGui, QtCore
+from .. import functions as fn
+
 __all__ = ['PathButton']
 
 
@@ -20,10 +21,10 @@ class PathButton(QtGui.QPushButton):
             
             
     def setBrush(self, brush):
-        self.brush = pg.mkBrush(brush)
+        self.brush = fn.mkBrush(brush)
         
     def setPen(self, pen):
-        self.pen = pg.mkPen(pen)
+        self.pen = fn.mkPen(pen)
         
     def setPath(self, path):
         self.path = path
diff --git a/pyqtgraph/widgets/PlotWidget.py b/pyqtgraph/widgets/PlotWidget.py
index 7b3c685c..f9b544f5 100644
--- a/pyqtgraph/widgets/PlotWidget.py
+++ b/pyqtgraph/widgets/PlotWidget.py
@@ -5,9 +5,9 @@ Copyright 2010  Luke Campagnola
 Distributed under MIT/X11 license. See license.txt for more infomation.
 """
 
-from pyqtgraph.Qt import QtCore, QtGui
+from ..Qt import QtCore, QtGui
 from .GraphicsView import *
-from pyqtgraph.graphicsItems.PlotItem import *
+from ..graphicsItems.PlotItem import *
 
 __all__ = ['PlotWidget']
 class PlotWidget(GraphicsView):
diff --git a/pyqtgraph/widgets/ProgressDialog.py b/pyqtgraph/widgets/ProgressDialog.py
index 0f55e227..8c669be4 100644
--- a/pyqtgraph/widgets/ProgressDialog.py
+++ b/pyqtgraph/widgets/ProgressDialog.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-from pyqtgraph.Qt import QtGui, QtCore
+from ..Qt import QtGui, QtCore
 
 __all__ = ['ProgressDialog']
 class ProgressDialog(QtGui.QProgressDialog):
diff --git a/pyqtgraph/widgets/RawImageWidget.py b/pyqtgraph/widgets/RawImageWidget.py
index 517f4f99..970b570b 100644
--- a/pyqtgraph/widgets/RawImageWidget.py
+++ b/pyqtgraph/widgets/RawImageWidget.py
@@ -1,12 +1,12 @@
-from pyqtgraph.Qt import QtCore, QtGui
+from ..Qt import QtCore, QtGui
 try:
-    from pyqtgraph.Qt import QtOpenGL
+    from ..Qt import QtOpenGL
     from OpenGL.GL import *
     HAVE_OPENGL = True
 except ImportError:
     HAVE_OPENGL = False
 
-import pyqtgraph.functions as fn
+from .. import functions as fn
 import numpy as np
 
 class RawImageWidget(QtGui.QWidget):
diff --git a/pyqtgraph/widgets/RemoteGraphicsView.py b/pyqtgraph/widgets/RemoteGraphicsView.py
index d44fd1c3..54712f43 100644
--- a/pyqtgraph/widgets/RemoteGraphicsView.py
+++ b/pyqtgraph/widgets/RemoteGraphicsView.py
@@ -1,8 +1,7 @@
-from pyqtgraph.Qt import QtGui, QtCore, USE_PYSIDE
+from ..Qt import QtGui, QtCore, USE_PYSIDE
 if not USE_PYSIDE:
     import sip
-import pyqtgraph.multiprocess as mp
-import pyqtgraph as pg
+from .. import multiprocess as mp
 from .GraphicsView import GraphicsView
 import numpy as np
 import mmap, tempfile, ctypes, atexit, sys, random
diff --git a/pyqtgraph/widgets/ScatterPlotWidget.py b/pyqtgraph/widgets/ScatterPlotWidget.py
index e9e24dd7..02f260ca 100644
--- a/pyqtgraph/widgets/ScatterPlotWidget.py
+++ b/pyqtgraph/widgets/ScatterPlotWidget.py
@@ -1,12 +1,13 @@
-from pyqtgraph.Qt import QtGui, QtCore
+from ..Qt import QtGui, QtCore
 from .PlotWidget import PlotWidget
 from .DataFilterWidget import DataFilterParameter
 from .ColorMapWidget import ColorMapParameter
-import pyqtgraph.parametertree as ptree
-import pyqtgraph.functions as fn
+from .. import parametertree as ptree
+from .. import functions as fn
+from .. import getConfigOption
+from ..graphicsItems.TextItem import TextItem
 import numpy as np
-from pyqtgraph.pgcollections import OrderedDict
-import pyqtgraph as pg
+from ..pgcollections import OrderedDict
 
 __all__ = ['ScatterPlotWidget']
 
@@ -48,9 +49,9 @@ class ScatterPlotWidget(QtGui.QSplitter):
         self.ctrlPanel.addWidget(self.ptree)
         self.addWidget(self.plot)
         
-        bg = pg.mkColor(pg.getConfigOption('background'))
+        bg = fn.mkColor(getConfigOption('background'))
         bg.setAlpha(150)
-        self.filterText = pg.TextItem(border=pg.getConfigOption('foreground'), color=bg)
+        self.filterText = TextItem(border=getConfigOption('foreground'), color=bg)
         self.filterText.setPos(60,20)
         self.filterText.setParentItem(self.plot.plotItem)
         
@@ -193,7 +194,7 @@ class ScatterPlotWidget(QtGui.QSplitter):
                 imax = int(xy[ax].max()) if len(xy[ax]) > 0 else 0
                 for i in range(imax+1):
                     keymask = xy[ax] == i
-                    scatter = pg.pseudoScatter(xy[1-ax][keymask], bidir=True)
+                    scatter = fn.pseudoScatter(xy[1-ax][keymask], bidir=True)
                     if len(scatter) == 0:
                         continue
                     smax = np.abs(scatter).max()
diff --git a/pyqtgraph/widgets/SpinBox.py b/pyqtgraph/widgets/SpinBox.py
index 57e4f1ed..422522de 100644
--- a/pyqtgraph/widgets/SpinBox.py
+++ b/pyqtgraph/widgets/SpinBox.py
@@ -1,9 +1,9 @@
 # -*- coding: utf-8 -*-
-from pyqtgraph.Qt import QtGui, QtCore
-from pyqtgraph.python2_3 import asUnicode
-from pyqtgraph.SignalProxy import SignalProxy
+from ..Qt import QtGui, QtCore
+from ..python2_3 import asUnicode
+from ..SignalProxy import SignalProxy
 
-import pyqtgraph.functions as fn
+from .. import functions as fn
 from math import log
 from decimal import Decimal as D  ## Use decimal to avoid accumulating floating-point errors
 from decimal import *
diff --git a/pyqtgraph/widgets/TableWidget.py b/pyqtgraph/widgets/TableWidget.py
index 8ffe7291..03392648 100644
--- a/pyqtgraph/widgets/TableWidget.py
+++ b/pyqtgraph/widgets/TableWidget.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
-from pyqtgraph.Qt import QtGui, QtCore
-from pyqtgraph.python2_3 import asUnicode
+from ..Qt import QtGui, QtCore
+from ..python2_3 import asUnicode
 
 import numpy as np
 try:
diff --git a/pyqtgraph/widgets/TreeWidget.py b/pyqtgraph/widgets/TreeWidget.py
index 97fbe953..ec2c35cf 100644
--- a/pyqtgraph/widgets/TreeWidget.py
+++ b/pyqtgraph/widgets/TreeWidget.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-from pyqtgraph.Qt import QtGui, QtCore
+from ..Qt import QtGui, QtCore
 from weakref import *
 
 __all__ = ['TreeWidget', 'TreeWidgetItem']
diff --git a/pyqtgraph/widgets/ValueLabel.py b/pyqtgraph/widgets/ValueLabel.py
index 7f6fa84b..d395cd43 100644
--- a/pyqtgraph/widgets/ValueLabel.py
+++ b/pyqtgraph/widgets/ValueLabel.py
@@ -1,6 +1,6 @@
-from pyqtgraph.Qt import QtCore, QtGui
-from pyqtgraph.ptime import time
-import pyqtgraph as pg
+from ..Qt import QtCore, QtGui
+from ..ptime import time
+from .. import functions as fn
 from functools import reduce
 
 __all__ = ['ValueLabel']
@@ -67,7 +67,7 @@ class ValueLabel(QtGui.QLabel):
         avg = self.averageValue()
         val = self.values[-1][1]
         if self.siPrefix:
-            return pg.siFormat(avg, suffix=self.suffix)
+            return fn.siFormat(avg, suffix=self.suffix)
         else:
             return self.formatStr.format(value=val, avgValue=avg, suffix=self.suffix)
             
diff --git a/pyqtgraph/widgets/VerticalLabel.py b/pyqtgraph/widgets/VerticalLabel.py
index fa45ae5d..c8cc80bd 100644
--- a/pyqtgraph/widgets/VerticalLabel.py
+++ b/pyqtgraph/widgets/VerticalLabel.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-from pyqtgraph.Qt import QtGui, QtCore
+from ..Qt import QtGui, QtCore
 
 __all__ = ['VerticalLabel']
 #class VerticalLabel(QtGui.QLabel):