diff --git a/.coverage b/.coverage
new file mode 100644
index 0000000..e69de29
diff --git a/.travis.yml b/.travis.yml
index a1191c7..c5c687b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,4 +4,5 @@ python:
 # command to install dependencies
 install: "pip install -r requirements.txt"
 # command to run tests
-script: python tests_basic.py -v
+script: py.test --cov=instax tests_basic.py --doctest-modules --pep8 instax
+after_success: coveralls
diff --git a/instax/statusCodes.py b/instax/statusCodes.py
index 4449e55..77c7415 100644
--- a/instax/statusCodes.py
+++ b/instax/statusCodes.py
@@ -11,18 +11,16 @@ class ResponseCode:
     """ The Current Response Code
     """
 
-    RET_HOLD, ST_UPDATE, E_OTHER_USED, E_NOT_IMAGE_DATA,
-     E_BATTERY_EMPTY, E_PRINTING, E_EJECTING, E_TESTING,
-      E_CHARGE, E_CONNECT, E_RCV_FRAME, E_FILM_EMPTY,
-       E_CAM_POINT, E_MOTOR, E_UNMATCH_PASS, E_PI_SENSOR,
-        E_RCV_FRAME = range(17)
+    (RET_HOLD, ST_UPDATE, E_OTHER_USED, E_NOT_IMAGE_DATA,
+        E_BATTERY_EMPTY, E_PRINTING, E_EJECTING, E_TESTING,
+        E_CHARGE, E_CONNECT, E_RCV_FRAME, E_FILM_EMPTY,
+        E_CAM_POINT, E_MOTOR, E_UNMATCH_PASS, E_PI_SENSOR,
+        E_RCV_FRAME) = range(17)
 
     def __init__(self, status):
         self.status = status
 
 
-
-
 """
 errorCodes = {
     127: 'ST_UPDATE & RET_HOLD',
diff --git a/requirements.txt b/requirements.txt
index bec6bf5..f9bfdf3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,8 @@
 Pillow==4.0.0
 olefile==0.44
+pycodestyle==2.3.1
+pytest==3.2.1
+pytest-cache==1.0
+pytest-cov==2.5.1
+pytest-pep8==1.0.6
+python-coveralls==2.9.1