diff --git a/.travis.yml b/.travis.yml
index 351a8fc4f8ce629c8efb58d0780121f3ee4a14d6..af5ebcc2a6397f7ada705a69cd12a91e2f4267a6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,8 +5,8 @@ python:
   - "3.5-dev"  # 3.5 development branch
   - "3.6"
   - "3.6-dev"  # 3.6 development branch
-  - "3.7-dev"  # 3.7 development branch
-  - "nightly"
+  # - "3.7-dev"  # 3.7 development branch
+  # - "nightly"
 services:
   - postgresql
 # command to install dependencies
diff --git a/src/homework/admin.py b/src/homework/admin.py
index 38fed616d8ac56d7290d795fd12ada5d18b4fadd..1ba19837f05c7a96fdde7a569326c8dfe5cb00e9 100644
--- a/src/homework/admin.py
+++ b/src/homework/admin.py
@@ -3,4 +3,4 @@ from . import models
 
 # Register your models here.
 admin.site.register(models.Solution)
-admin.site.register(models.Task)
\ No newline at end of file
+admin.site.register(models.Task)
diff --git a/src/homework/tests.py b/src/homework/tests.py
index 7ce503c2dd97ba78597f6ff6e4393132753573f6..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 100644
--- a/src/homework/tests.py
+++ b/src/homework/tests.py
@@ -1,3 +0,0 @@
-from django.test import TestCase
-
-# Create your tests here.