Only lint pyx with .flake8.cython

Author: xhochy

.flake8.cython

@@ -1,3 +1,3 @@
 [flake8]
-filename = *.pyx,*.pxd,*.pxi
+filename = *.pyx
 select=E501,E302,E203,E111,E114,E221,E303,E128,E231,E126,E265,E305,E301,E127,E261,E271,E129,W291,E222,E241,E123,F403,C400,C401,C402,C403,C404,C405,C406,C407,C408,C409,C410,C411