fix: pytype client errors (#146)

* feat: add pytype to gitignore

* fix: type ignore api_core

Author: rafilong

.gitignore

@@ -29,6 +29,7 @@ pip-log.txt
 .nox
 .cache
 .pytest_cache
+.pytype
 
 
 # Mac

google/cloud/firestore_v1/base_client.py

@@ -25,8 +25,8 @@
 """
 import os
 
-import google.api_core.client_options
-import google.api_core.path_template
+import google.api_core.client_options  # type: ignore
+import google.api_core.path_template  # type: ignore
 from google.api_core.gapic_v1 import client_info  # type: ignore
 from google.cloud.client import ClientWithProject  # type: ignore