travis fix

.travis.yml

@@ -144,7 +144,7 @@ script:
     
     # Run unit tests
     - start_test "unit tests";
-      PYTHONPATH=. ${PYTEST} pyqtgraph/
+      PYTHONPATH=. ${PYTEST} pyqtgraph/;
       check_output "unit tests";
     
     
@@ -171,12 +171,12 @@ script:
     # Check double-install fails
     # Note the bash -c is because travis strips off the ! otherwise.
     - start_test "double install test";
-      bash -c "! sudo python${PYTHON} setup.py --quiet install"
+      bash -c "! sudo python${PYTHON} setup.py --quiet install";
       check_output "double install test";
       
     # Check we can import pg
     - start_test "import test";
-      echo "import sys; print(sys.path)" | python;
+      echo "import sys; print(sys.path)" | python &&
       cd /; echo "import pyqtgraph.examples" | python;
       check_output "import test";
     

pyqtgraph/GraphicsScene/mouseEvents.py

@@ -131,8 +131,12 @@ class MouseDragEvent(object):
         return self.finish
 
     def __repr__(self):
-        lp = self.lastPos()
-        p = self.pos()
+        if self.currentItem is None:
+            lp = self._lastScenePos
+            p = self._scenePos
+        else:
+            lp = self.lastPos()
+            p = self.pos()
         return "<MouseDragEvent (%g,%g)->(%g,%g) buttons=%d start=%s finish=%s>" % (lp.x(), lp.y(), p.x(), p.y(), int(self.buttons()), str(self.isStart()), str(self.isFinish()))
         
     def modifiers(self):
@@ -222,7 +226,10 @@ class MouseClickEvent(object):
 
     def __repr__(self):
         try:
-            p = self.pos()
+            if self.currentItem is None:
+                p = self._scenePos
+            else:
+                p = self.pos()
             return "<MouseClickEvent (%g,%g) button=%d>" % (p.x(), p.y(), int(self.button()))
         except:
             return "<MouseClickEvent button=%d>" % (int(self.button()))
@@ -348,8 +355,12 @@ class HoverEvent(object):
         return Point(self.currentItem.mapFromScene(self._lastScenePos))
 
     def __repr__(self):
-        lp = self.lastPos()
-        p = self.pos()
+        if self.currentItem is None:
+            lp = self._lastScenePos
+            p = self._scenePos
+        else:
+            lp = self.lastPos()
+            p = self.pos()
         return "<HoverEvent (%g,%g)->(%g,%g) buttons=%d enter=%s exit=%s>" % (lp.x(), lp.y(), p.x(), p.y(), int(self.buttons()), str(self.isEnter()), str(self.isExit()))
         
     def modifiers(self):