This should make Python updates easier.

MAINT use variables for Python version rather than hardcoding it. This should make Python updates easier.

package:
  name: pyparsing
  version: 3.0.7
source:
  sha256: a6c06a88f252e6c322f65faf8f418b16213b51bdfaece0524c1c1bc30c63c484
  url: https://files.pythonhosted.org/packages/80/c1/23fd82ad3121656b585351aba6c19761926bb0db2ebed9e4ff09a43a3fcc/pyparsing-3.0.7-py3-none-any.whl
test:
  imports:
    - pyparsing

package:
  name: pyparsing
  version: 3.0.7
source:
  sha256: a6c06a88f252e6c322f65faf8f418b16213b51bdfaece0524c1c1bc30c63c484
  url: https://files.pythonhosted.org/packages/80/c1/23fd82ad3121656b585351aba6c19761926bb0db2ebed9e4ff09a43a3fcc/pyparsing-3.0.7-py3-none-any.whl
test:
  imports:
    - pyparsing
