diff -r 57875cf423c9 -r 2372284d9457 contrib/win32/hgwebdir_wsgi.py
--- a/contrib/win32/hgwebdir_wsgi.py	Sat Oct 05 10:29:34 2019 -0400
+++ b/contrib/win32/hgwebdir_wsgi.py	Sun Oct 06 09:45:02 2019 -0400
@@ -84,19 +84,20 @@
 hgweb_config = r'c:\your\directory\wsgi.config'
 
 # Global settings for IIS path translation
-path_strip = 0   # Strip this many path elements off (when using url rewrite)
+path_strip = 0  # Strip this many path elements off (when using url rewrite)
 path_prefix = 1  # This many path elements are prefixes (depends on the
-                 # virtual path of the IIS application).
+# virtual path of the IIS application).
 
 import sys
 
 # Adjust python path if this is not a system-wide install
-#sys.path.insert(0, r'C:\your\custom\hg\build\lib.win32-2.7')
+# sys.path.insert(0, r'C:\your\custom\hg\build\lib.win32-2.7')
 
 # Enable tracing. Run 'python -m win32traceutil' to debug
 if getattr(sys, 'isapidllhandle', None) is not None:
     import win32traceutil
-    win32traceutil.SetupForPrint # silence unused import warning
+
+    win32traceutil.SetupForPrint  # silence unused import warning
 
 import isapi_wsgi
 from mercurial.hgweb.hgwebdir_mod import hgwebdir
@@ -104,13 +105,15 @@
 # Example tweak: Replace isapi_wsgi's handler to provide better error message
 # Other stuff could also be done here, like logging errors etc.
 class WsgiHandler(isapi_wsgi.IsapiWsgiHandler):
-    error_status = '500 Internal Server Error' # less silly error message
+    error_status = '500 Internal Server Error'  # less silly error message
+
 
 isapi_wsgi.IsapiWsgiHandler = WsgiHandler
 
 # Only create the hgwebdir instance once
 application = hgwebdir(hgweb_config)
 
+
 def handler(environ, start_response):
 
     # Translate IIS's weird URLs
@@ -125,10 +128,13 @@
 
     return application(environ, start_response)
 
+
 def __ExtensionFactory__():
     return isapi_wsgi.ISAPISimpleHandler(handler)
 
-if __name__=='__main__':
+
+if __name__ == '__main__':
     from isapi.install import ISAPIParameters, HandleCommandLine
+
     params = ISAPIParameters()
     HandleCommandLine(params)