Ensure that "ensurepip" module is installed

Author: ivankravets

get-platformio.py

@@ -138,6 +138,7 @@ def check():
         raise exception.IncompatiblePythonError("Conda is not supported")
 
     try:
+        __import__("ensurepip")
         __import__("venv")
         # __import__("distutils.command")
     except ImportError: