Fix __all__ mypy warnings

mypy warns about the unknown type for empty __all__. This commit adds
type info for them. Import errors for typing module in LNT needs to be
ignored because LNT module is imported from setup before all required
package are guaranteed to be installed.

Reviewed By: PrzemekWirkus

Differential Revision: https://reviews.llvm.org/D94666

Author: Thomas Preud'homme

lnt/__init__.py

@@ -3,4 +3,11 @@
 __versioninfo__ = (0, 4, 2)
 __version__ = '.'.join(map(str, __versioninfo__)) + '.dev0'
 
-__all__ = []
+# lnt module is imported from the setup script before modules are installed so
+# modules might not be available.
+try:
+    from typing import Sequence
+except Exception:
+    pass
+
+__all__ = [] # type: Sequence[str]

lnt/external/__init__.py

@@ -1 +1,3 @@
-__all__ = []
+from typing import Sequence
+
+__all__ = [] # type: Sequence[str]

lnt/server/__init__.py

@@ -1 +1,3 @@
-__all__ = []
+from typing import Sequence
+
+__all__ = [] # type: Sequence[str]

lnt/server/db/__init__.py

@@ -1 +1,3 @@
-__all__ = []
+from typing import Sequence
+
+__all__ = [] # type: Sequence[str]

lnt/server/db/rules/__init__.py

@@ -1 +1,3 @@
-__all__ = []
+from typing import Sequence
+
+__all__ = [] # type: Sequence[str]

lnt/server/reporting/__init__.py

@@ -1 +1,3 @@
-__all__ = []
+from typing import Sequence
+
+__all__ = [] # type: Sequence[str]

lnt/server/ui/__init__.py

@@ -1 +1,3 @@
-__all__ = []
+from typing import Sequence
+
+__all__ = [] # type: Sequence[str]

lnt/testing/util/__init__.py

@@ -2,4 +2,6 @@
 Miscellaneous utilities for generating test data.
 """
 
-__all__ = []
+from typing import Sequence
+
+__all__ = [] # type: Sequence[str]

lnt/util/__init__.py

@@ -1,5 +1,6 @@
 import logging
+from typing import Sequence
 
 logger = logging.getLogger("lnt.server.ui.app")
 
-__all__ = []
+__all__ = [] # type: Sequence[str]