Merge pull request #89 from CadQuery/adam-urbanczyk-py3.7

Upgrade to python 3.7

Author: adam-urbanczyk

azure-pipelines.yml

@@ -19,18 +19,18 @@ jobs:
     name: Linux
     vmImage: 'ubuntu-16.04'
     py_maj: 3
-    py_min: 6
+    py_min: 7
 
 - template: conda-build.yml@templates
   parameters:
     name: macOS
     vmImage: 'macOS-10.13'
     py_maj: 3
-    py_min: 6
+    py_min: 7
 
 - template: conda-build.yml@templates
   parameters:
     name: Windows
     vmImage: 'vs2017-win2016'
     py_maj: 3
-    py_min: 6
+    py_min: 7

cqgui_env.yml

@@ -7,7 +7,7 @@ dependencies:
   - pyqt=5.9.2
   - pyparsing
   - pyqtgraph=0.10.0
-  - python=3.6
+  - python=3.7
   - spyder=3.3.4
   - pythonocc-core=0.18.2
   - path.py