pyupgrade: Replace Text with str.

We uses `pyupgrade --py3-plus` to automatically replace all occurence
of `Text`. But manual fix is required to remove the unused imports. Note
that with this configuration pyupgrade also convert string literals to
.format(...) style, which is manually not included in the commit as well.

zulip/integrations/git/post-receive

@@ -13,7 +13,6 @@ import os
 import os.path
 import subprocess
 import sys
-from typing import Text
 
 sys.path.insert(0, os.path.dirname(__file__))
 import zulip_git_config as config
@@ -33,7 +32,7 @@ client = zulip.Client(
 )
 
 
-def git_repository_name() -> Text:
+def git_repository_name() -> str:
     output = subprocess.check_output(["git", "rev-parse", "--is-bare-repository"])
     if output.strip() == "true":
         return os.path.basename(os.getcwd())[: -len(".git")]

zulip/integrations/git/zulip_git_config.py

@@ -1,5 +1,5 @@
 #
-from typing import Dict, Optional, Text
+from typing import Dict, Optional
 
 # Name of the stream to send notifications to, default is "commits"
 STREAM_NAME = "commits"
@@ -23,7 +23,7 @@ ZULIP_API_KEY = "0123456789abcdef0123456789abcdef"
 # * stream "commits"
 # * topic "master"
 # And similarly for branch "test-post-receive" (for use when testing).
-def commit_notice_destination(repo: Text, branch: Text, commit: Text) -> Optional[Dict[Text, Text]]:
+def commit_notice_destination(repo: str, branch: str, commit: str) -> Optional[Dict[str, str]]:
     if branch in ["master", "test-post-receive"]:
         return dict(stream=STREAM_NAME, subject="%s" % (branch,))
 
@@ -36,7 +36,7 @@ def commit_notice_destination(repo: Text, branch: Text, commit: Text) -> Optiona
 # graphical repository viewer, e.g.
 #
 # return '!avatar(%s) [%s](https://example.com/commits/%s)\n' % (author, subject, commit_id)
-def format_commit_message(author: Text, subject: Text, commit_id: Text) -> Text:
+def format_commit_message(author: str, subject: str, commit_id: str) -> str:
     return "!avatar(%s) %s\n" % (author, subject)