Merge pull request #257 from stac-utils/pv/upgrade

version upgrades

Author: philvarner

.flake8

@@ -1,7 +1,7 @@
 [flake8]
 select = B,B9,C,DAR,E,F,N,RST,S,W
 # remove after D202 eventually
-ignore = E203,E501,RST201,RST203,RST301,W503,D202,B950,C901
+ignore = E203,E501,RST201,RST203,RST301,W503,D202,B950,C901,B907
 max-line-length = 80
 max-complexity = 10
 docstring-convention = google