Drop dependency on pathlib2

Signed-off-by: Dan Ryan <dan@danryan.co>

HISTORY.txt

@@ -1,3 +1,5 @@
+11.10.3:
+ - Bugfix release (break dependency on pathlib2).
 11.10.2:
  - Backport NamedTemporaryFile for python 2.
  - Implement atomic lockfile writing / rewriting.

pipenv/__version__.py

@@ -2,4 +2,4 @@
 #   //   ) ) / / //   ) ) //___) ) //   ) ) ||  / /
 #  //___/ / / / //___/ / //       //   / /  || / /
 # //       / / //       ((____   //   / /   ||/ /
-__version__ = '11.10.2'
+__version__ = '11.10.3'

pipenv/patched/pew/_utils.py

@@ -9,7 +9,7 @@ from functools import partial, wraps
 try:
     from pathlib import Path
 except ImportError:
-    from pathlib2 import Path
+    from pipenv.vendor.pathlib2 import Path
 from tempfile import NamedTemporaryFile as _ntf
 try:
     from shutil import which

pipenv/patched/pew/pew.py

@@ -11,7 +11,7 @@ from subprocess import CalledProcessError
 try:
     from pathlib import Path
 except ImportError:
-    from pathlib2 import Path
+    from pipenv.vendor.pathlib2 import Path
 
 try:
     from shutil import get_terminal_size

setup.py

@@ -27,7 +27,6 @@ required = [
     'setuptools>=36.2.1',
     'virtualenv-clone>=0.2.5',
     'virtualenv',
-    'pathlib2;python_version<"3.4"',
     'requests[security];python_version<"2.7"',
     'ordereddict;python_version<"2.7"',
 ]

tasks/vendoring/patches/patched/pew.patch

@@ -23,7 +23,7 @@ index d1d8e0a..c45c37e 100644
 +try:
 +    from pathlib import Path
 +except ImportError:
-+    from pathlib2 import Path
++    from pipenv.vendor.pathlib2 import Path
  from tempfile import NamedTemporaryFile as _ntf
  try:
      from shutil import which
@@ -39,7 +39,7 @@ index bcaabad..b8fc3e7 100644
 +try:
 +    from pathlib import Path
 +except ImportError:
-+    from pathlib2 import Path
++    from pipenv.vendor.pathlib2 import Path
  
  try:
      from shutil import get_terminal_size