Update dependency on stacker (#47)

Lowercases · web-flow · commit 70131511714a · 2020-01-09T18:18:15.000-03:00
This is to solve a dependency version conflict
diff --git a/setup.py b/setup.py
@@ -5,7 +5,7 @@
 
 install_requires = [
     "python-dateutil<3.0.0",
-    "stacker>=1.0.1",
+    "stacker>=1.7.0",
     "troposphere>=2.3.2",
     "awacs>=0.8.2",
 ]
