adding networkx for travis/conda build

appveyor.yml

@@ -65,7 +65,7 @@ install:
 build: off
 
 test_script:
-    - cmd: nosetests --with-coverage --cover-package=plio
+    - cmd: pytest --cov=cycsm
     - "%CMD_IN_ENV% conda build conda --quiet"
 
 deploy_script:

conda/meta.yaml

@@ -24,6 +24,7 @@ requirements:
     - sqlalchemy
     - pyyaml
     - affine
+    - networkx
   run:
     - python
     - setuptools
@@ -37,6 +38,7 @@ requirements:
     - sqlalchemy
     - pyyaml
     - affine
+    - networkx
 
 test:
   imports: