This is on top of #1648.
Update emscripten to 2.0.27. This is on top of #1648.
package:
  name: nltk
  version: 3.6.7
source:
  sha256: 22e97be5d6c784d93a52d17860515cc50c5cfcc620b1f5c3747765041255a01e
  url: https://files.pythonhosted.org/packages/c5/ea/84c7247f5c96c5a1b619fe822fb44052081ccfbe487a49d4c888306adec7/nltk-3.6.7-py3-none-any.whl
requirements:
  run:
    - regex
test:
  imports:
    - nltk
    - sqlite3

package:
  name: nltk
  version: 3.6.7
source:
  sha256: 22e97be5d6c784d93a52d17860515cc50c5cfcc620b1f5c3747765041255a01e
  url: https://files.pythonhosted.org/packages/c5/ea/84c7247f5c96c5a1b619fe822fb44052081ccfbe487a49d4c888306adec7/nltk-3.6.7-py3-none-any.whl
requirements:
  run:
    - regex
test:
  imports:
    - nltk
    - sqlite3
