Updated from global requirements

Change-Id: I4bc9c24870317189858e66d8e4393199f03c497d

requirements.txt

@@ -7,5 +7,5 @@ Jinja2>=2.8 # BSD License (3 clause)
 gitdb>=0.6.4 # BSD License (3 clause)
 GitPython>=1.0.1 # BSD License (3 clause)
 six>=1.9.0 # MIT
-oslo.config>=3.4.0 # Apache-2.0
+oslo.config>=3.7.0 # Apache-2.0
 graphviz>=0.4.0 # MIT License