--- a/roundup/mailgw.py	Sun Feb 26 10:36:36 2023 -0500
+++ b/roundup/mailgw.py	Sun Feb 26 10:40:25 2023 -0500
@@ -1329,7 +1329,7 @@
         self.arguments = arguments
         self.default_class = self.arguments.default_class.strip()
         if not self.default_class:
-            self.default_class = instance.config ['MAILGW_DEFAULT_CLASS']
+            self.default_class = instance.config['MAILGW_DEFAULT_CLASS']
         self.props_by_class = {}
         self.parse_set_value()
 
@@ -1349,7 +1349,7 @@
             try:
                 n, r = v.split('=', 1)
             except ValueError:
-                errors.append ('"%s" is not of the form "property=value"' % v)
+                errors.append('"%s" is not of the form "property=value"' % v)
                 break
             try:
                 classname, rv = n.split('.', 1)
@@ -1359,8 +1359,8 @@
                 r = v
             if classname not in self.props_by_class:
                 # We can only check later if this is a valid class
-                self.props_by_class [classname] = []
-            self.props_by_class [classname].append (r)
+                self.props_by_class[classname] = []
+            self.props_by_class[classname].append(r)
         if errors:
             mailadmin = self.instance.config['ADMIN_EMAIL']
             raise MailUsageError(_("""
@@ -1436,7 +1436,7 @@
 
     def get_oauth_tokens(self, oauth_path):
         if not oauth_path:
-            oauth_path = self.instance.config ['TRACKER_HOME']
+            oauth_path = self.instance.config['TRACKER_HOME']
             oauth_path = os.path.join(oauth_path, 'oauth')
         self.oauth_path = oauth_path
         with open(os.path.join(oauth_path, 'access_token'), 'r') as f:
@@ -1444,7 +1444,7 @@
         with open(os.path.join(oauth_path, 'refresh_token'), 'r') as f:
             self.refresh_token = f.read().strip()
 
-    def write_token (self, tokenname):
+    def write_token(self, tokenname):
         n = os.path.join(self.oauth_path, tokenname)
         tmp = n + '.tmp'
         old = n + '.old'
@@ -1464,24 +1464,24 @@
             client_secret = f.read().strip()
         with open(os.path.join(self.oauth_path, 'client_id'), 'r') as f:
             client_id = f.read().strip()
-        data = dict \
-            ( client_id = client_id
-            , client_secret = client_secret
-            , refresh_token = self.refresh_token
-            , grant_type = 'refresh_token'
-            )
+        data = dict(
+            client_id = client_id,
+            client_secret = client_secret,
+            refresh_token = self.refresh_token,
+            grant_type = 'refresh_token'
+        )
         session = requests.session()
-        r = session.post(self.token_endpoint, data = data)
+        r = session.post(self.token_endpoint, data=data)
         if not 200 <= r.status_code <= 299:
             raise RuntimeError('Invalid get result: %s: %s\n %s'
-                %(r.status_code, r.reason, r.text))
+                               % (r.status_code, r.reason, r.text))
         d = r.json()
-        if d ['refresh_token'] != self.refresh_token:
-            self.refresh_token = d ['refresh_token']
-            self.write_token ('refresh_token')
-        if d ['access_token'] != self.access_token:
-            self.access_token = d ['access_token']
-            self.write_token ('access_token')
+        if d['refresh_token'] != self.refresh_token:
+            self.refresh_token = d['refresh_token']
+            self.write_token('refresh_token')
+        if d['access_token'] != self.access_token:
+            self.access_token = d['access_token']
+            self.write_token('access_token')
 
     def do_imap(self, server, user='', password='', mailbox='', **kw):
         ''' Do an IMAP connection
@@ -1510,12 +1510,12 @@
         if kw.get('oauth'):
             if requests is None:
                 self.logger.error('For OAUTH, the requests library '
-                    'must be installed')
+                                  'must be installed')
                 return 1
             self.get_oauth_tokens(kw.get('oauth_path'))
             # The following are mandatory for oauth and are passed by
             # the command-line handler:
-            self.token_endpoint = kw ['token_endpoint']
+            self.token_endpoint = kw['token_endpoint']
             for k in range(2):
                 t = self.access_token
                 s = 'user=%s\1auth=Bearer %s\1\1' % (user, t)
@@ -1828,8 +1828,7 @@
             return {}
         for propstring in self.props_by_class[classname]:
             errors, props = setPropArrayFromString(self, cls,
-                propstring.strip())
-
+                                                   propstring.strip())
 
             if errors:
                 mailadmin = self.instance.config['ADMIN_EMAIL']