add mypy, typed-ast dependency in requirements.txt

Author: manu-chroma

Makefile

@@ -183,6 +183,6 @@ jenkins:
 	. env3/bin/activate ; \
 	pip install -U setuptools pip wheel ; \
 	${MAKE} install-dep ; \
-	pip install -U mypy==0.470 typed-ast==0.6.3 ; ${MAKE} mypy
+	pip install -U -r requirements.txt ; ${MAKE} mypy
 
 FORCE:

requirements.txt

@@ -7,3 +7,5 @@ rdflib-jsonld==0.4.0
 mistune==0.7.3
 CacheControl==0.11.7
 lockfile==0.12.2
+mypy==0.470 ;  python_version>="3"
+typed-ast==0.6.3 ; python_version>="3"

tox.ini

@@ -14,16 +14,12 @@ deps = -rrequirements.txt
 commands = make mypy
 whitelist_externals = make
 deps =
-  mypy==0.470
-  typed-ast==0.6.3
   -rrequirements.txt
 
 [testenv:py35-mypy]
 commands = make mypy
 whitelist_externals = make
 deps =
-  mypy==0.470
-  typed-ast==0.6.3
   -rrequirements.txt
 
 [testenv:py35-lint]