diff --git a/README.md b/README.md
index 300d60a9..b010c55d 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@ If WSL fails to start properly after reboot, you may need to create virtual disk
 
 When Ubuntu app is successfully installed, run the following.
 ```bash
-sudo apt-get update
+sudo apt update && sudo apt upgrade
 ```
 ```bash
 sudo apt install build-essential gfortran liblapack-dev git
diff --git a/python/pseudoBinaryPhaseDiagramGUI.py b/python/pseudoBinaryPhaseDiagramGUI.py
index bc66f477..74fe05fd 100644
--- a/python/pseudoBinaryPhaseDiagramGUI.py
+++ b/python/pseudoBinaryPhaseDiagramGUI.py
@@ -12,7 +12,7 @@
 phaseIncludeTol = 1e-8
 
 class CalculationWindow:
-    def __init__(self, parent, datafile, nElements, elements, active,scrollable=True):
+    def __init__(self, parent, datafile, nElements, elements, active, scrollable=True):
         self.parent = parent
         self.datafile = datafile
         self.nElements = nElements
@@ -20,7 +20,7 @@ def __init__(self, parent, datafile, nElements, elements, active,scrollable=True
         self.active = active
         if self.active:
             self.makeLayout()
-            self.sgw = sg.Window(f'Phase Diagram Setup: {os.path.basename(self.datafile)}', self.layout,resizable=True,size=(600, 800),location = [400,0], finalize=True)
+            self.sgw = sg.Window(f'Phase Diagram Setup: {os.path.basename(self.datafile)}', self.layout, resizable=True, size=(600,800), location=[400,0], finalize=True)
             windowList.append(self)
         self.children = []
         self.calculation = pseudoBinaryPhaseDiagramFunctions.diagram(self.datafile, True, True)
@@ -254,8 +254,8 @@ def makeLayout(self):
         if (self.nElements < 8):
             elemLayout = [sg.Column(elem1Layout),sg.Column(elem2Layout)]
         else:
-            elemLayout = [sg.Column(elem1Layout,vertical_alignment='t', scrollable = True, vertical_scroll_only = True,  size=(200, 100),expand_y = True),
-                          sg.Column(elem2Layout,vertical_alignment='t', scrollable = True, vertical_scroll_only = True, size=(200, 100), expand_y = True)]
+            elemLayout = [sg.Column(elem1Layout, vertical_alignment='t', scrollable=True, vertical_scroll_only=True, size=(200,100), expand_y=True),
+                          sg.Column(elem2Layout, vertical_alignment='t', scrollable=True, vertical_scroll_only=True, size=(200,100), expand_y=True)]
         self.layout = [tempLayout,
                        presLayout,
                        elemLayout,