diff --git a/subcmds/download.py b/subcmds/download.py
index 6aa54af..471e88b 100644
--- a/subcmds/download.py
+++ b/subcmds/download.py
@@ -33,13 +33,13 @@
 """
 
   def _Options(self, p):
-    p.add_option('-c','--cherry-pick',
+    p.add_option('-c', '--cherry-pick',
                  dest='cherrypick', action='store_true',
                  help="cherry-pick instead of checkout")
-    p.add_option('-r','--revert',
+    p.add_option('-r', '--revert',
                  dest='revert', action='store_true',
                  help="revert instead of checkout")
-    p.add_option('-f','--ff-only',
+    p.add_option('-f', '--ff-only',
                  dest='ffonly', action='store_true',
                  help="force fast-forward merge")
 
diff --git a/subcmds/grep.py b/subcmds/grep.py
index fa5f876..dd391cf 100644
--- a/subcmds/grep.py
+++ b/subcmds/grep.py
@@ -85,7 +85,7 @@
     g.add_option('--cached',
                  action='callback', callback=carry,
                  help='Search the index, instead of the work tree')
-    g.add_option('-r','--revision',
+    g.add_option('-r', '--revision',
                  dest='revision', action='append', metavar='TREEish',
                  help='Search TREEish, instead of the work tree')
 
@@ -97,7 +97,7 @@
     g.add_option('-i', '--ignore-case',
                  action='callback', callback=carry,
                  help='Ignore case differences')
-    g.add_option('-a','--text',
+    g.add_option('-a', '--text',
                  action='callback', callback=carry,
                  help="Process binary files as if they were text")
     g.add_option('-I',
@@ -126,7 +126,7 @@
     g.add_option('--and', '--or', '--not',
                  action='callback', callback=carry,
                  help='Boolean operators to combine patterns')
-    g.add_option('-(','-)',
+    g.add_option('-(', '-)',
                  action='callback', callback=carry,
                  help='Boolean operator grouping')
 
@@ -146,10 +146,10 @@
                  action='callback', callback=carry,
                  metavar='CONTEXT', type='str',
                  help='Show CONTEXT lines after match')
-    g.add_option('-l','--name-only','--files-with-matches',
+    g.add_option('-l', '--name-only', '--files-with-matches',
                  action='callback', callback=carry,
                  help='Show only file names containing matching lines')
-    g.add_option('-L','--files-without-match',
+    g.add_option('-L', '--files-without-match',
                  action='callback', callback=carry,
                  help='Show only file names not containing matching lines')
 
@@ -158,9 +158,9 @@
     out = GrepColoring(self.manifest.manifestProject.config)
 
     cmd_argv = ['grep']
-    if out.is_on and git_require((1,6,3)):
+    if out.is_on and git_require((1, 6, 3)):
       cmd_argv.append('--color')
-    cmd_argv.extend(getattr(opt,'cmd_argv',[]))
+    cmd_argv.extend(getattr(opt, 'cmd_argv', []))
 
     if '-e' not in cmd_argv:
       if not args:
diff --git a/subcmds/help.py b/subcmds/help.py
index 57fb3cc..15aab7f 100644
--- a/subcmds/help.py
+++ b/subcmds/help.py
@@ -126,7 +126,7 @@
 
             p('%s', title)
             self.nl()
-            p('%s', ''.ljust(len(title),section_type[0]))
+            p('%s', ''.ljust(len(title), section_type[0]))
             self.nl()
             continue
 
diff --git a/subcmds/init.py b/subcmds/init.py
index 7aaa7f1..eeadc70 100644
--- a/subcmds/init.py
+++ b/subcmds/init.py
@@ -279,14 +279,14 @@
     print()
     print("Testing colorized output (for 'repo diff', 'repo status'):")
 
-    for c in ['black','red','green','yellow','blue','magenta','cyan']:
+    for c in ['black', 'red', 'green', 'yellow', 'blue', 'magenta', 'cyan']:
       out.write(' ')
       out.printer(fg=c)(' %-6s ', c)
     out.write(' ')
     out.printer(fg='white', bg='black')(' %s ' % 'white')
     out.nl()
 
-    for c in ['bold','dim','ul','reverse']:
+    for c in ['bold', 'dim', 'ul', 'reverse']:
       out.write(' ')
       out.printer(fg='black', attr=c)(' %-6s ', c)
     out.nl()
diff --git a/subcmds/sync.py b/subcmds/sync.py
index df64ab0..5b3dca7 100644
--- a/subcmds/sync.py
+++ b/subcmds/sync.py
@@ -150,22 +150,22 @@
     p.add_option('-f', '--force-broken',
                  dest='force_broken', action='store_true',
                  help="continue sync even if a project fails to sync")
-    p.add_option('-l','--local-only',
+    p.add_option('-l', '--local-only',
                  dest='local_only', action='store_true',
                  help="only update working tree, don't fetch")
-    p.add_option('-n','--network-only',
+    p.add_option('-n', '--network-only',
                  dest='network_only', action='store_true',
                  help="fetch only, don't update working tree")
-    p.add_option('-d','--detach',
+    p.add_option('-d', '--detach',
                  dest='detach_head', action='store_true',
                  help='detach projects back to manifest revision')
-    p.add_option('-c','--current-branch',
+    p.add_option('-c', '--current-branch',
                  dest='current_branch_only', action='store_true',
                  help='fetch only current branch from server')
-    p.add_option('-q','--quiet',
+    p.add_option('-q', '--quiet',
                  dest='quiet', action='store_true',
                  help='be more quiet')
-    p.add_option('-j','--jobs',
+    p.add_option('-j', '--jobs',
                  dest='jobs', action='store', type='int',
                  help="projects to fetch simultaneously (default %d)" % self.jobs)
     p.add_option('-m', '--manifest-name',
diff --git a/subcmds/upload.py b/subcmds/upload.py
index 219c509..e314032 100644
--- a/subcmds/upload.py
+++ b/subcmds/upload.py
@@ -50,7 +50,7 @@
 class Upload(InteractiveCommand):
   common = True
   helpSummary = "Upload changes for code review"
-  helpUsage="""
+  helpUsage = """
 %prog [--re --cc] [<project>]...
 """
   helpDescription = """
@@ -397,7 +397,7 @@
       reviewers = _SplitEmails(opt.reviewers)
     if opt.cc:
       cc = _SplitEmails(opt.cc)
-    people = (reviewers,cc)
+    people = (reviewers, cc)
 
     if not pending:
       print("no branches ready for upload", file=sys.stderr)