tox.ini: add to deps in tox.ini

Add required python dependency iso8601 to tox.ini

Signed-off-by: Sachin Prabhu <[email protected]>

Author: spuiuk

tox.ini

@@ -16,20 +16,23 @@ deps =
     pytest
     pyyaml
     pytest-randomly
+    iso8601
 commands = pytest -vrfEsxXpP testcases/
 
 [testenv:pytest-unprivileged]
 deps =
     pytest
     pyyaml
     pytest-randomly
+    iso8601
 commands = pytest -vrfEsxXpP -k 'not privileged' testcases/
 
 [testenv:sanity]
 deps =
     pytest
     pyyaml
     pytest-randomly
+    iso8601
 changedir = {toxinidir}
 commands = pytest -vrfEsxXpP testcases/consistency