diff --git a/pipenv/patched/notpip/_internal/pep425tags.py b/pipenv/patched/notpip/_internal/pep425tags.py
index c2a1e346..16d041d9 100644
--- a/pipenv/patched/notpip/_internal/pep425tags.py
+++ b/pipenv/patched/notpip/_internal/pep425tags.py
@@ -3,6 +3,7 @@ from __future__ import absolute_import
 
 import distutils.util
 import logging
+import os
 import platform
 import re
 import sys
diff --git a/tasks/vendoring/patches/patched/_post-pip-update-pep425tags.patch b/tasks/vendoring/patches/patched/_post-pip-update-pep425tags.patch
index 792a94fa..b552a7b0 100644
--- a/tasks/vendoring/patches/patched/_post-pip-update-pep425tags.patch
+++ b/tasks/vendoring/patches/patched/_post-pip-update-pep425tags.patch
@@ -1,8 +1,16 @@
 diff --git a/pipenv/patched/notpip/_internal/pep425tags.py b/pipenv/patched/notpip/_internal/pep425tags.py
-index 042ba34b..58decc23 100644
+index 369275a8..16d041d9 100644
 --- a/pipenv/patched/notpip/_internal/pep425tags.py
 +++ b/pipenv/patched/notpip/_internal/pep425tags.py
-@@ -170,8 +170,9 @@ def is_linux_armhf():
+@@ -3,6 +3,7 @@ from __future__ import absolute_import
+ 
+ import distutils.util
+ import logging
++import os
+ import platform
+ import re
+ import sys
+@@ -170,8 +171,9 @@ def is_linux_armhf():
          return False
      # hard-float ABI can be detected from the ELF header of the running
      # process
@@ -13,7 +21,7 @@ index 042ba34b..58decc23 100644
              elf_header_raw = f.read(40)  # read 40 first bytes of ELF header
      except (IOError, OSError, TypeError):
          return False
-@@ -205,7 +206,7 @@ def is_manylinux1_compatible():
+@@ -205,7 +207,7 @@ def is_manylinux1_compatible():
          pass
  
      # Check glibc version. CentOS 5 uses glibc 2.5.
@@ -22,7 +30,7 @@ index 042ba34b..58decc23 100644
  
  
  def is_manylinux2010_compatible():
-@@ -223,7 +224,7 @@ def is_manylinux2010_compatible():
+@@ -223,7 +225,7 @@ def is_manylinux2010_compatible():
          pass
  
      # Check glibc version. CentOS 6 uses glibc 2.12.
@@ -31,7 +39,7 @@ index 042ba34b..58decc23 100644
  
  
  def is_manylinux2014_compatible():
-@@ -249,7 +250,7 @@ def is_manylinux2014_compatible():
+@@ -249,7 +251,7 @@ def is_manylinux2014_compatible():
          pass
  
      # Check glibc version. CentOS 7 uses glibc 2.17.