[bugfix] no quality set if else was hit

pylot/core/pick/utils.py

@@ -1078,9 +1078,9 @@ def getQualityfromUncertainty(uncertainty, Errors):
        regarding adjusted time errors Errors.
     '''
 
-    if uncertainty == None or uncertainty == 'None':
+    # set initial quality to 4 (worst) and change only if one condition is hit
     quality = 4
-    else:
+
     if uncertainty <= Errors[0]:
         quality = 0
     elif (uncertainty > Errors[0]) and \
@@ -1094,8 +1094,6 @@ def getQualityfromUncertainty(uncertainty, Errors):
         quality = 3
     elif uncertainty > Errors[3]:
         quality = 4
-        else:
-            pass
 
     return quality