diff --git a/installers/sasview.spec b/installers/sasview.spec
index 2d528e3b31..294c508b97 100644
--- a/installers/sasview.spec
+++ b/installers/sasview.spec
@@ -24,6 +24,7 @@ datas = [
 datas.append((os.path.join(PYTHON_PACKAGES, 'debugpy'), 'debugpy'))
 datas.append((os.path.join(PYTHON_PACKAGES, 'jedi'), 'jedi'))
 datas.append((os.path.join(PYTHON_PACKAGES, 'zmq'), 'zmq'))
+datas.append((os.path.join(PYTHON_PACKAGES, 'freetype'), 'freetype'))
 
 def add_data(data):
     for component in data:
diff --git a/src/sas/qtgui/Calculators/SlitSizeCalculator.py b/src/sas/qtgui/Calculators/SlitSizeCalculator.py
index 65b3a3da4f..c42f6dc6e7 100644
--- a/src/sas/qtgui/Calculators/SlitSizeCalculator.py
+++ b/src/sas/qtgui/Calculators/SlitSizeCalculator.py
@@ -116,7 +116,7 @@ def calculateSlitSize(self, data=None):
         try:
             xdata = data.x
             ydata = data.y
-            if xdata.size == 0 or xdata is None or ydata.size == 0 or ydata is None:
+            if xdata is None or len(xdata) == 0 or ydata is None or len(ydata) == 0:
                 msg = "The current data is empty please check x and y"
                 logging.error(msg)
                 return
diff --git a/src/sas/qtgui/Plotting/Plotter.py b/src/sas/qtgui/Plotting/Plotter.py
index dc18d9b915..12266ab6ae 100644
--- a/src/sas/qtgui/Plotting/Plotter.py
+++ b/src/sas/qtgui/Plotting/Plotter.py
@@ -394,7 +394,7 @@ def addPlotsToContextMenu(self):
 
             if plot.is_data:
                 self.actionHideError = plot_menu.addAction("Hide Error Bar")
-                if plot.dy is not None and plot.dy != []:
+                if plot.dy is not None and len(plot.dy)>0:
                     if plot.hide_error:
                         self.actionHideError.setText('Show Error Bar')
                 else:
diff --git a/src/sas/qtgui/Plotting/UnitTesting/PlotterBaseTest.py b/src/sas/qtgui/Plotting/UnitTesting/PlotterBaseTest.py
index e6e7df305b..fde48eb739 100644
--- a/src/sas/qtgui/Plotting/UnitTesting/PlotterBaseTest.py
+++ b/src/sas/qtgui/Plotting/UnitTesting/PlotterBaseTest.py
@@ -49,7 +49,7 @@ def testDefaults(self, plotter):
         assert isinstance(plotter.canvas, FigureCanvas)
         assert isinstance(plotter.properties, ScaleProperties)
 
-        assert plotter._data == []
+        assert len(plotter._data) == 0
         assert plotter._xscale == 'log'
         assert plotter._yscale == 'log'
         assert plotter.scale == 'linear'
diff --git a/src/sas/qtgui/Utilities/Reports/ReportDialog.py b/src/sas/qtgui/Utilities/Reports/ReportDialog.py
index 4c15d2fd0b..696950cc0c 100644
--- a/src/sas/qtgui/Utilities/Reports/ReportDialog.py
+++ b/src/sas/qtgui/Utilities/Reports/ReportDialog.py
@@ -64,7 +64,7 @@ def onPrint(self):
         try:
             # pylint chokes on this line with syntax-error
             # pylint: disable=syntax-error doesn't seem to help
-            document.print(printer)
+            document.print_(printer)
         except Exception as ex:
             # Printing can return various exceptions, let's catch them all
             logging.error("Print report failed with: " + str(ex))
diff --git a/src/sas/qtgui/Utilities/UnitTesting/ReportDialogTest.py b/src/sas/qtgui/Utilities/UnitTesting/ReportDialogTest.py
index 46ccc67c06..1f11b58df8 100644
--- a/src/sas/qtgui/Utilities/UnitTesting/ReportDialogTest.py
+++ b/src/sas/qtgui/Utilities/UnitTesting/ReportDialogTest.py
@@ -51,7 +51,7 @@ def testDefaults(self, widget):
     def testOnPrint(self, widget, mocker):
         ''' Printing the report '''
         document = widget.txtBrowser.document()
-        mocker.patch.object(document, 'print')
+        mocker.patch.object(document, 'print_')
 
         # test rejected dialog
         mocker.patch.object(QtPrintSupport.QPrintDialog, 'exec_', return_value=QtWidgets.QDialog.Rejected)
@@ -60,7 +60,7 @@ def testOnPrint(self, widget, mocker):
         widget.onPrint()
 
         # Assure printing was not done
-        assert not document.print.called
+        assert not document.print_.called
 
         # test accepted dialog
         mocker.patch.object(QtPrintSupport.QPrintDialog, 'exec_', return_value=QtWidgets.QDialog.Accepted)