Merge pull request #1697 from fonttools/fix-minor-type-errors

Fix minor type errors found with pytype

Lib/fontTools/varLib/cff.py

@@ -61,6 +61,7 @@ def lib_convertCFFToCFF2(cff, otFont):
 		fdArray.append(fontDict)
 		fontDict.Private = privateDict
 		privateOpOrder = buildOrder(privateDictOperators2)
+		if privateDict is not None:
 			for entry in privateDictOperators:
 				key = entry[1]
 				if key not in privateOpOrder:

Lib/fontTools/varLib/instancer.py

@@ -987,7 +987,7 @@ def parseArgs(args):
     try:
         axisLimits = parseLimits(options.locargs)
     except ValueError as e:
-        parser.error(e)
+        parser.error(str(e))
 
     if len(axisLimits) != len(options.locargs):
         parser.error("Specified multiple limits for the same axis")