Drop Python 3.7 from Travis build which is erroring for an unknown reason

JoshData · JoshData · commit 8f2936a4811a · 2022-04-21T12:21:26.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -8,7 +8,7 @@ python:
 #- '3.4'
 - '3.5'
 - '3.6'
-- '3.7'
+#- '3.7'
 - '3.8'
 - '3.9'
 
