Fixed #867 Simplified code in setup.py

setup.py

@@ -9,20 +9,22 @@ from setuptools import setup, find_packages
 
 def get_version():
     basedir = os.path.dirname(__file__)
+    try:
         with open(os.path.join(basedir, 'rq/version.py')) as f:
             locals = {}
             exec(f.read(), locals)
             return locals['VERSION']
+    except FileNotFoundError:
         raise RuntimeError('No version info found.')
 
 
 def get_dependencies():
     deps = ['redis >= 2.7.0', 'click >= 5.0']
     if sys.version_info < (2, 7) or \
-            (sys.version_info >= (3, 0) and sys.version_info < (3, 1)):
+            ((3, 0) <= sys.version_info < (3, 1)):
         deps += ['importlib']
     if sys.version_info < (2, 7) or \
-            (sys.version_info >= (3, 0) and sys.version_info < (3, 2)):
+            ((3, 0) <= sys.version_info < (3, 2)):
         deps += ['argparse']
     return deps