Merge pull request #335 from mgxd/dep/loosen-pins

DEP: Loosen niworkflow restriction

Author: effigies

setup.cfg

@@ -25,7 +25,7 @@ install_requires =
     matplotlib >= 2.2.0
     nibabel >= 4.0.1
     nipype >= 1.7.0
-    niworkflows ~= 1.7.0
+    niworkflows >= 1.7.0
     numpy
     packaging
     pybids >= 0.11.1