Release v0.6.4
Merge pull request #577 from plotly/fix-floris-attemp-4 #patch Change pyproj requirement for floris-gch Former-commit-id: d659f4e042baa883f9ea77de504d72ac25b8f272
Merge pull request #577 from plotly/fix-floris-attemp-4 #patch Change pyproj requirement for floris-gch Former-commit-id: d659f4e042baa883f9ea77de504d72ac25b8f272