Add PyCall version bound

oschulz · oschulz · commit bc770d3dd8cf · 2020-12-26T17:38:02.000+01:00
diff --git a/Project.toml b/Project.toml
@@ -9,6 +9,7 @@ Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 
 [compat]
+PyCall = "1.9"
 julia = "1.3"
 
 [extras]
