Do package spec in quotes
@@ -20,9 +20,9 @@ requirements:
- pip
run:
- python
- - marshmallow >=3.0.0
+ - "marshmallow>=3.0.0rc4"
- numpy
- - python-dateutil >=2.8.0
+ - "python-dateutil>=2.8.0"
test:
imports:
