fixed shellquote on windows

pipenv/__version__.py

@@ -3,4 +3,4 @@
 #  //___/ / / / //___/ / //       //   / /  || / /
 # //       / / //       ((____   //   / /   ||/ /
 
-__version__ = '6.1.5'
+__version__ = '6.1.6'

pipenv/cli.py

@@ -501,7 +501,7 @@ def get_downloads_info(names_map, section):
 
 def do_lock(no_hashes=True, verbose=False, legacy=False):
     """Executes the freeze functionality."""
-
+    print(no_hashes, verbose, legacy)
     if not legacy:
         # Alert the user of progress.
         click.echo(crayons.yellow('Locking {0} dependencies...'.format(crayons.red('[dev-packages]'))), err=True)
@@ -580,7 +580,11 @@ def do_lock(no_hashes=True, verbose=False, legacy=False):
                 lockfile['default'][dep['name']]['hashes'] = dep['hashes']
 
     # Run the PEP 508 checker in the virtualenv, add it to the lockfile.
-    c = delegator.run('"{0}" {1}'.format(which('python'), shellquote(pep508checker.__file__.rstrip('cdo'))))
+    cmd = '"{0}" {1}'.format(which('python'), shellquote(pep508checker.__file__.rstrip('cdo')))
+    c = delegator.run(cmd)
+    # print("Cmd: {0}".format(cmd))
+    # print("Return Code: {0}".format(c.return_code))
+    # print("Out: {0}".format(c.out))
     lockfile['_meta']['host-environment-markers'] = json.loads(c.out)
 
     # Write out the lockfile.

pipenv/utils.py

@@ -23,7 +23,7 @@ class PipCommand(pip.basecommand.Command):
 
 
 def shellquote(s):
-    return "'" + s.replace("'", "'\\''") + "'"
+    return '"' + s.replace("'", "'\\''") + '"'
 
 
 def clean_pkg_version(version):