Update setup.py (#1391)

setup.py

@@ -21,7 +21,17 @@ import platform
 from setuptools import find_packages
 from setuptools import setup
 
-slim_version = "2.3.3"
+if 'develop' in subprocess.getoutput('git branch'):
+    slim_version = '0.0.0_dev'
+else:
+    tag_list = subprocess.getoutput('git tag').split('\n')
+    if 'rc' in tag_list[-1]:
+        if tag_list[-1].split('-')[0] == tag_list[-2]:
+            slim_version = tag_list[-2]
+        else:
+            slim_version = tag_list[-1]
+    else:
+        slim_version = tag_list[-1]
 
 with open('./requirements.txt') as f:
     setup_requires = f.read().splitlines()