Merge pull request #16 from CadQuery/adam-urbanczyk-cf-fix

Use conda-forge for occt

Author: adam-urbanczyk

env.yml

@@ -6,7 +6,8 @@ channels:
   - defaults
 dependencies:
   - clangdev=9.0.1
-  - cadquery::occt=7.4.0
+  - conda-forge::occt=7.4.0
+  - freeimage=3.18.0
   - pybind11=2.4.3
   - python=3.7
   - joblib