remove check from setup.py that's not needed anymore (#5626)

pypy 7.2 is the oldest pypy that supports py3.6

1 files changed, 0 insertions, 9 deletions

diff --git a/setup.py b/setup.py
index 1348e9be5..9fe7c8ba7 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,6 @@
 # for complete details.
 
 import os
-import platform
 import sys
 
 from setuptools import find_packages, setup
@@ -26,14 +25,6 @@ with open(os.path.join(src_dir, "cryptography", "__about__.py")) as f:
 # `setup_requirements` must be kept in sync with `pyproject.toml`
 setup_requirements = ["cffi>=1.12"]
 
-if platform.python_implementation() == "PyPy":
-    if sys.pypy_version_info < (5, 4):
-        raise RuntimeError(
-            "cryptography is not compatible with PyPy < 5.4. Please upgrade "
-            "PyPy to use this library."
-        )
-
-
 with open(os.path.join(base_dir, "README.rst")) as f:
     long_description = f.read()