Vendor an updated (and working) typing module to fix <3.5.3 errors

Monkey patch from https://github.com/python/typing

pyrogram/__init__.py

@@ -18,6 +18,11 @@
 
 import sys
 
+from .vendor import typing
+
+# Monkey patch the standard "typing" module because Python versions from 3.5.0 to 3.5.2 have a broken one.
+sys.modules["typing"] = typing
+
 __copyright__ = "Copyright (C) 2017-2019 Dan Tès <https://github.com/delivrance>".replace(
     "\xe8",
     "e" if sys.getfilesystemencoding() != "utf-8" else "\xe8"

pyrogram/vendor/__init__.py

@@ -0,0 +1,19 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2019 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+
+from .typing import typing

pyrogram/vendor/typing/__init__.py

@@ -0,0 +1,17 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2019 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.