Issue #161, conda environment. Had to downgrade cartopy and matplotlib.

Author: schmide

requirements/env_climada.yml

@@ -1,17 +1,17 @@
 name: climada_env
 channels:
-  - defaults
   - conda-forge
+  - defaults
 dependencies:
   - bottleneck>=1.3
-  - cartopy>=0.17
+  - cartopy=0.17
   - contextily>=1.0
   - dask>=2.25
   - geopandas>=0.6,<0.9
   - h5py>=2.10
   - haversine>=2.3
   - iso3166>=1.0
-  - matplotlib>=3.2
+  - matplotlib=3.2
   - netcdf4>=1.5
   - numba>=0.51
   - openpyxl>=3.0