Create version file if missing

setup.py

@@ -43,7 +43,13 @@ from setuptools import setup, find_packages
 
 HERE = os.path.abspath(os.path.normpath(os.path.dirname(__file__)))
 
-from devflow.version import __version__
+try:
+    from devflow.version import __version__
+except ImportError:
+    # Bootstrap devflow
+    from devflow.versioning import update_version
+    update_version()
+    from devflow.version import __version__
 
 # Package info
 VERSION = __version__