mypy: zulip: Annotate integrations/perforce/zulip_perforce_config.py.

tools/run-mypy

@@ -19,7 +19,6 @@ os.chdir(os.path.dirname(TOOLS_DIR))
 sys.path.append(os.path.dirname(TOOLS_DIR))
 
 exclude = """
-zulip/integrations/perforce/zulip_perforce_config.py
 zulip/integrations/perforce/git_p4.py
 zulip/integrations/svn/zulip_svn_config.py
 zulip/integrations/zephyr/process_ccache

zulip/integrations/perforce/zulip_perforce_config.py

@@ -20,6 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
+from typing import Dict, Optional, Text
 
 # Change these values to configure authentication for the plugin
 ZULIP_USER = "p4-bot@example.com"
@@ -50,6 +51,7 @@ P4_WEB = None
 # * stream "depot_subdirectory-commits"
 # * subject "change_root"
 def commit_notice_destination(path, changelist):
+    # type: (Text, int) -> Optional[Dict[Text, Text]]
     dirs = path.split('/')
     if len(dirs) >= 4 and dirs[3] not in ("*", "..."):
         directory = dirs[3]