Update graphene_django_hook.py

Author: jackton1

graphene_django_hook.py

@@ -1,6 +1,7 @@
 import argparse
 import shlex
 import subprocess
+from distutils.sysconfig import get_python_lib
 import sys
 from typing import Optional
 from typing import Sequence
@@ -37,7 +38,7 @@ def main(argv: Optional[Sequence[str]] = None) -> int:
     args = parser.parse_args(argv)
 
     # TODO: Fix parsing arguments
-    command = './{} graphql_schema'.format(args.managepy_path or 'manage.py')
+    command = '{} {} graphql_schema'.format(get_python_lib(), args.managepy_path or 'manage.py')
 
     if args.settings is not None:
         command += ' --settings={}'.format(args.settings)