Fix conda build error with explicit dep on parso

Added `parso` to meta.yaml to resolve:

    RuntimeError: Setuptools downloading is disabled in conda build. Be sure to add all dependencies in the meta.yaml  url=https://pypi.org/simple/parso/

Signed-off-by: Andrew MacDonald <andrew@maccas.net>

conda.recipe/meta.yaml

@@ -14,6 +14,7 @@ requirements:
         - pandas >=0.24.2
         - sqlalchemy >=0.9.2
         - pytables >=3.1.0
+        - parso
     run:
         - python
         - ipython >=2.0.0