simplify PYPY check (#703)

3 files changed, 3 insertions, 17 deletions

diff --git a/pyflakes/checker.py b/pyflakes/checker.py
index 07c103c..0da87c2 100644
--- a/pyflakes/checker.py
+++ b/pyflakes/checker.py
@@ -23,11 +23,7 @@ PY2 = sys.version_info < (3, 0)
 PY35_PLUS = sys.version_info >= (3, 5)    # Python 3.5 and above
 PY36_PLUS = sys.version_info >= (3, 6)    # Python 3.6 and above
 PY38_PLUS = sys.version_info >= (3, 8)
-try:
-    sys.pypy_version_info
-    PYPY = True
-except AttributeError:
-    PYPY = False
+PYPY = hasattr(sys, 'pypy_version_info')
 
 builtin_vars = dir(__import__('__builtin__' if PY2 else 'builtins'))
 
diff --git a/pyflakes/test/test_api.py b/pyflakes/test/test_api.py
index 9c81161..3d93591 100644
--- a/pyflakes/test/test_api.py
+++ b/pyflakes/test/test_api.py
@@ -9,6 +9,7 @@ import shutil
 import subprocess
 import tempfile
 
+from pyflakes.checker import PYPY
 from pyflakes.messages import UnusedImport
 from pyflakes.reporter import Reporter
 from pyflakes.api import (
@@ -25,12 +26,6 @@ else:
     from io import StringIO
     unichr = chr
 
-try:
-    sys.pypy_version_info
-    PYPY = True
-except AttributeError:
-    PYPY = False
-
 ERROR_HAS_COL_NUM = ERROR_HAS_LAST_LINE = sys.version_info >= (3, 2) or PYPY
 
 
diff --git a/pyflakes/test/test_doctests.py b/pyflakes/test/test_doctests.py
index 836b248..de796b9 100644
--- a/pyflakes/test/test_doctests.py
+++ b/pyflakes/test/test_doctests.py
@@ -3,6 +3,7 @@ import textwrap
 
 from pyflakes import messages as m
 from pyflakes.checker import (
+    PYPY,
     DoctestScope,
     FunctionScope,
     ModuleScope,
@@ -12,12 +13,6 @@ from pyflakes.test.test_imports import Test as TestImports
 from pyflakes.test.test_undefined_names import Test as TestUndefinedNames
 from pyflakes.test.harness import TestCase, skip
 
-try:
-    sys.pypy_version_info
-    PYPY = True
-except AttributeError:
-    PYPY = False
-
 
 class _DoctestMixin(object):