chore(revert): revert preventing normalization (#132)

reverts previous commit for preventing normalization of versioning

Author: dandhlee

setup.py

@@ -19,22 +19,7 @@
 # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 import io
-import setuptools
-
-# Disable version normalization performed by setuptools.setup()
-try:
-    # Try the approach of using sic(), added in setuptools 46.1.0
-    from setuptools import sic
-except ImportError:
-    # Try the approach of replacing packaging.version.Version
-    sic = lambda v: v
-    try:
-        # setuptools >=39.0.0 uses packaging from setuptools.extern
-        from setuptools.extern import packaging
-    except ImportError:
-        # setuptools <39.0.0 uses packaging from pkg_resources.extern
-        from pkg_resources.extern import packaging
-    packaging.version.Version = packaging.version.LegacyVersion
+from setuptools import setup
 
 # Package metadata.
 
@@ -54,9 +39,9 @@ def readme():
         return f.read()
 
 
-setuptools.setup(
+setup(
     name=name,
-    version=sic(version),
+    version=version,
     description=description,
     long_description=readme(),
     long_description_content_type="text/x-rst",