fix : requirements and dev-requirements updated

sepandhaghighi · sepandhaghighi · commit 4cc3bdbca8e2 · 2019-06-01T00:52:50.000+04:30
diff --git a/dev-requirements.txt b/dev-requirements.txt
@@ -4,4 +4,5 @@ setuptools==41.0.1
 vulture==1.0
 bandit==1.6.0
 pydocstyle==3.0.0
+art==3.6
 
diff --git a/requirements.txt b/requirements.txt
@@ -1,2 +1,3 @@
 psutil>=5.2.1
-requests>=2.14.0
+requests>=2.14.0
+art>=0.9
