Update app.py

app.py

@@ -158,14 +158,14 @@ docking_tool: uses dockstring to dock the molecule into the protein, producing a
   print(tool_choices)
 
   if len(tool_choices) == 1:
-    tool1 = tool_choices[0].strip()
+    tool1 = tool_choices[0].strip().lower()
     if tool1.lower() == 'none':
       tool_choice = (None, None)
     else:
       tool_choice = (tool1, None)
   elif len(tool_choices) == 2:
-    tool1 = tool_choices[0].strip()
-    tool2 = tool_choices[1].strip()
+    tool1 = tool_choices[0].strip().lower()
+    tool2 = tool_choices[1].strip().lower()
     if tool1.lower() == 'none' and tool2.lower() == 'none':
       tool_choice = (None, None)
     elif tool1.lower() == 'none' and tool2.lower() != 'none':