fix lint errors

Author: preetham.ntp

Example/test.py

@@ -1,8 +1,12 @@
-# MathCAT add-on: generates speech, braille, and allows exploration of expressions written in MathML
-# The goal of this add-on is to replicate/improve on the functionality of MathPlayer which has been discontinued.
+# MathCAT add-on: generates speech, braille, and allows exploration of
+#      expressions written in MathML
+# The goal of this add-on is to replicate/improve on the functionality of
+#      MathPlayer which has been discontinued.
 # Author: Neil Soiffer
-# Copyright: this file uses whatever GNU copyright that is required for NVDA addons
-#   The code additionally makes use of the MathCAT library (written in Rust) which is covered by the MIT license
+#  Copyright: this file uses whatever GNU copyright that is
+#             required for NVDA addons
+#   The code additionally makes use of the MathCAT library (written in Rust)
+#             which is covered by the MIT license
 #   and also (obviously) requires external speech engines and braille drivers.
 
 
@@ -11,43 +15,49 @@
 # import shutil
 # if os.path.exists("libmathcat_py.pyd"):
 # 	os.remove("libmathcat_py.pyd")
-# shutil.copy("..\\target\\i686-pc-windows-msvc\\release\\libmathcat_py.dll", "libmathcat.pyd")
+# shutil.copy("..\\target\\i686-pc-windows-msvc\\release\\libmathcat_py.dll",
+#   "libmathcat.pyd")
 
 import libmathcat
 
+
 def SetMathCATPreferences():
-  try:
-    libmathcat.SetRulesDir(
-      # this assumes the Rules dir is in the same dir a the library. Modify as needed
-      os.path.join( os.path.dirname(os.path.abspath(__file__)), "Rules")
-    )
-  except Exception as e:
-    print("problem with finding the MathCAT rules")
-
-  try:
-    libmathcat.SetPreference("TTS", "none")
-    libmathcat.SetPreference("Language", "en")         # Also "id" and "vi"
-    libmathcat.SetPreference("SpeechStyle", "SimpleSpeak")   # Also "ClearSpeak"
-    libmathcat.SetPreference("Verbosity", "Verbose")   # also terse "Terse"/"Medium"
-    libmathcat.SetPreference("CapitalLetters_UseWord", "true")   # if "true", X => "cap x"
-  except Exception as e:
-      print("problem with setting a preference")
+    try:
+        libmathcat.SetRulesDir(
+            # this assumes the Rules dir is in the same dir a the library.
+            # Modify as needed
+            os.path.join(os.path.dirname(os.path.abspath(__file__)), "Rules")
+        )
+    except Exception as e:
+        print(e, "problem with finding the MathCAT rules")
+
+    try:
+        libmathcat.SetPreference("TTS", "none")
+        libmathcat.SetPreference("Language", "en")  # Also "id" and "vi"
+        libmathcat.SetPreference("SpeechStyle", "SimpleSpeak")  # Also "ClearSpeak" # noqa
+        libmathcat.SetPreference("Verbosity", "Verbose")  # also terse "Terse"/"Medium" # noqa
+        libmathcat.SetPreference(
+            "CapitalLetters_UseWord", "true"
+        )  # if "true", X => "cap x"
+    except Exception as e:
+        print(e, "problem with setting a preference")
+
 
 def SetMathMLForMathCAT(mathml: str):
-  try:
-    libmathcat.SetMathML(mathml)
-  except Exception as e:
-    print("problem with SetMathML")
+    try:
+        libmathcat.SetMathML(mathml)
+    except Exception as e:
+        print(e, "problem with SetMathML")
 
-def GetSpeech():
-  try:
-    return libmathcat.GetSpokenText()
-  except Exception as e:
-    return "problem with getting speech for MathML"
 
+def GetSpeech():
+    try:
+        return libmathcat.GetSpokenText()
+    except Exception as e:
+        return e, "problem with getting speech for MathML"
 
 
-SetMathCATPreferences()   # you only need to this once
+SetMathCATPreferences()  # you only need to this once
 print("Using MathCAT version '{}'".format(libmathcat.GetVersion()))
 
 mathml = "<math><mfrac> <mn>1</mn> <mi>X</mi> </mfrac> </math>"
@@ -62,14 +72,16 @@ def GetSpeech():
 SetMathMLForMathCAT(mathml)
 print("MathML: {}\nSpeech: '{}'".format(mathml, GetSpeech()))
 
-mathml = "<math><msup intent='transpose:postfix($x)'> <mi arg='x'>x</mi> <mi>T</mi> </msup> </math>"
+mathml = "<math><msup intent='transpose:postfix($x)'> <mi arg='x'>x</mi><mi>T \
+          </mi> </msup> </math>"
 SetMathMLForMathCAT(mathml)
 print("MathML: {}\nSpeech: '{}'".format(mathml, GetSpeech()))
 
 mathml = "<math><mrow intent='_(x, $op)'><mo arg='op'>!</mo></mrow></math>"
 SetMathMLForMathCAT(mathml)
 print("MathML: {}\nSpeech: '{}'".format(mathml, GetSpeech()))
 
-mathml = "<math intent=':structure'><mrow><mo>(</mo><mfrac linethickness='0'><mn arg='n'>7</mn><mn arg='m'>3</mn></mfrac><mo>)</mo></mrow></math>"
+mathml = "<math intent=':structure'><mrow><mo>(</mo><mfrac linethickness='0'> \
+          <mn arg='n'>7</mn><mn arg='m'>3</mn></mfrac><mo>)</mo></mrow></math>"
 SetMathMLForMathCAT(mathml)
 print("MathML: {}\nSpeech (no inference): '{}'".format(mathml, GetSpeech()))