Bump typed-ast dependency to 1.0.4. (#3545)

This incorporates python/typed_ast#41:
'Add checks for some 3.5+ only syntax (async/await and the @ operator)'

Author: gvanrossum

setup.cfg

@@ -56,5 +56,5 @@ show_missing = true
 # Then run "python3 setup.py bdist_wheel" to build a wheel file
 # (and then upload that to PyPI).
 requires-dist =
-    typed-ast >= 1.0.3, < 1.1.0
+    typed-ast >= 1.0.4, < 1.1.0
     typing >= 3.5.3; python_version < "3.5"

setup.py

@@ -100,7 +100,7 @@ def run(self):
 # "pip3 install git+git://github.com/python/mypy.git"
 # (as suggested by README.md).
 install_requires = []
-install_requires.append('typed-ast >= 1.0.3, < 1.1.0')
+install_requires.append('typed-ast >= 1.0.4, < 1.1.0')
 if sys.version_info < (3, 5):
     install_requires.append('typing >= 3.5.3')
 

test-requirements.txt

@@ -2,7 +2,7 @@ flake8
 flake8-bugbear; python_version >= '3.5'
 flake8-pyi; python_version >= '3.6'
 lxml; sys_platform != 'win32' or python_version == '3.5' or python_version == '3.6'
-typed-ast>=1.0.3,<1.1.0; sys_platform != 'win32' or python_version >= '3.5'
+typed-ast>=1.0.4,<1.1.0; sys_platform != 'win32' or python_version >= '3.5'
 pytest>=2.8
 pytest-xdist>=1.13
 pytest-cov>=2.4.0