From b9086f1023eb14a72e22b95515b339b7fbf1fe7a Mon Sep 17 00:00:00 2001
From: Martin <outofculture@gmail.com>
Date: Tue, 2 Feb 2021 15:10:02 -0800
Subject: [PATCH 1/2] no "i" variable anymore

---
 pyqtgraph/graphicsItems/PlotItem/PlotItem.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyqtgraph/graphicsItems/PlotItem/PlotItem.py b/pyqtgraph/graphicsItems/PlotItem/PlotItem.py
index 7d23309b..318351f4 100644
--- a/pyqtgraph/graphicsItems/PlotItem/PlotItem.py
+++ b/pyqtgraph/graphicsItems/PlotItem/PlotItem.py
@@ -1019,7 +1019,7 @@ class PlotItem(GraphicsWidget):
             if numCurves != -1:
                 if self.ctrl.forgetTracesCheck.isChecked():
                     curve.clear()
-                    self.removeItem(curves[i])
+                    self.removeItem(curve)
                 else:
                     curve.hide()        
       

From b7e560a7eadcf989062745b366976da3411f6605 Mon Sep 17 00:00:00 2001
From: Martin <outofculture@gmail.com>
Date: Fri, 19 Feb 2021 11:33:06 -0800
Subject: [PATCH 2/2] fix imports

* metaarray is not used
* PlotCurveItem and ScatterPlotItem needed to be imported
* sort
---
 pyqtgraph/graphicsItems/PlotItem/PlotItem.py | 35 +++++++++-----------
 1 file changed, 15 insertions(+), 20 deletions(-)

diff --git a/pyqtgraph/graphicsItems/PlotItem/PlotItem.py b/pyqtgraph/graphicsItems/PlotItem/PlotItem.py
index 318351f4..a2affcf7 100644
--- a/pyqtgraph/graphicsItems/PlotItem/PlotItem.py
+++ b/pyqtgraph/graphicsItems/PlotItem/PlotItem.py
@@ -1,38 +1,33 @@
 # -*- coding: utf-8 -*-
-import sys
+import importlib
+import os
 import warnings
 import weakref
+
 import numpy as np
-import os
-from ...Qt import QtGui, QtCore, QT_LIB
-from ... import icons
+
+from ..AxisItem import AxisItem
+from ..ButtonItem import ButtonItem
+from ..GraphicsWidget import GraphicsWidget
+from ..InfiniteLine import InfiniteLine
+from ..LabelItem import LabelItem
+from ..LegendItem import LegendItem
+from ..PlotDataItem import PlotDataItem
+from ..ViewBox import ViewBox
 from ... import functions as fn
-from ...widgets.FileDialog import FileDialog
-from .. PlotDataItem import PlotDataItem
-from .. ViewBox import ViewBox
-from .. AxisItem import AxisItem
-from .. LabelItem import LabelItem
-from .. LegendItem import LegendItem
-from .. GraphicsWidget import GraphicsWidget
-from .. ButtonItem import ButtonItem
-from .. InfiniteLine import InfiniteLine
+from ... import icons, PlotCurveItem, ScatterPlotItem
+from ...Qt import QtGui, QtCore, QT_LIB
 from ...WidgetGroup import WidgetGroup
 from ...python2_3 import basestring
+from ...widgets.FileDialog import FileDialog
 
 translate = QtCore.QCoreApplication.translate
 
-import importlib
 ui_template = importlib.import_module(
     f'.plotConfigTemplate_{QT_LIB.lower()}', package=__package__)
 
 __all__ = ['PlotItem']
 
-try:
-    from metaarray import *
-    HAVE_METAARRAY = True
-except:
-    HAVE_METAARRAY = False
-
 
 class PlotItem(GraphicsWidget):
     """GraphicsWidget implementing a standard 2D plotting area with axes.