Merge pull request #77 from mithro/fix-environ

Remove `file:` usage in environment.yml

Author: Tim Ansell

environment.yml

@@ -29,7 +29,7 @@ dependencies:
 - sphinx
 - yosys
 - pip:          # Packages installed from PyPI
-  - -r file:requirements.txt
-  - -r file:docs/requirements.txt
+  - -r requirements.txt
+  - -r docs/requirements.txt
   - .
   - compat/.