Format codebase with black and check formatting in CQ

Apply rules set by https://gerrit-review.googlesource.com/c/git-repo/+/362954/ across the codebase and fix any lingering errors caught
by flake8. Also check black formatting in run_tests (and CQ).

Bug: b/267675342
Change-Id: I972d77649dac351150dcfeb1cd1ad0ea2efc1956
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/363474
Reviewed-by: Mike Frysinger <vapier@google.com>
Tested-by: Gavin Mak <gavinmak@google.com>
Commit-Queue: Gavin Mak <gavinmak@google.com>

1 files changed, 24 insertions, 26 deletions

diff --git a/subcmds/__init__.py b/subcmds/__init__.py
index 051dda06..4e41afc0 100644
--- a/subcmds/__init__.py
+++ b/subcmds/__init__.py
@@ -19,31 +19,29 @@ all_commands = {}
 
 my_dir = os.path.dirname(__file__)
 for py in os.listdir(my_dir):
-  if py == '__init__.py':
-    continue
-
-  if py.endswith('.py'):
-    name = py[:-3]
-
-    clsn = name.capitalize()
-    while clsn.find('_') > 0:
-      h = clsn.index('_')
-      clsn = clsn[0:h] + clsn[h + 1:].capitalize()
-
-    mod = __import__(__name__,
-                     globals(),
-                     locals(),
-                     ['%s' % name])
-    mod = getattr(mod, name)
-    try:
-      cmd = getattr(mod, clsn)
-    except AttributeError:
-      raise SyntaxError('%s/%s does not define class %s' % (
-          __name__, py, clsn))
-
-    name = name.replace('_', '-')
-    cmd.NAME = name
-    all_commands[name] = cmd
+    if py == "__init__.py":
+        continue
+
+    if py.endswith(".py"):
+        name = py[:-3]
+
+        clsn = name.capitalize()
+        while clsn.find("_") > 0:
+            h = clsn.index("_")
+            clsn = clsn[0:h] + clsn[h + 1 :].capitalize()
+
+        mod = __import__(__name__, globals(), locals(), ["%s" % name])
+        mod = getattr(mod, name)
+        try:
+            cmd = getattr(mod, clsn)
+        except AttributeError:
+            raise SyntaxError(
+                "%s/%s does not define class %s" % (__name__, py, clsn)
+            )
+
+        name = name.replace("_", "-")
+        cmd.NAME = name
+        all_commands[name] = cmd
 
 # Add 'branch' as an alias for 'branches'.
-all_commands['branch'] = all_commands['branches']
+all_commands["branch"] = all_commands["branches"]