diff --git a/images/Travis_CI_fail_1.png b/images/Travis_CI_fail_1.png
deleted file mode 100644
index 451e54e4844a..000000000000
Binary files a/images/Travis_CI_fail_1.png and /dev/null differ
diff --git a/images/Travis_CI_fail_2.png b/images/Travis_CI_fail_2.png
deleted file mode 100644
index caa406099da1..000000000000
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diff --git a/images/__init__.py b/images/__init__.py
deleted file mode 100644
index e69de29bb2d1..000000000000
diff --git a/greedy_method/greedy_knapsack.py b/knapsack/greedy_knapsack.py
similarity index 100%
rename from greedy_method/greedy_knapsack.py
rename to knapsack/greedy_knapsack.py
diff --git a/greedy_method/__init__.py b/knapsack/tests/__init__.py
similarity index 100%
rename from greedy_method/__init__.py
rename to knapsack/tests/__init__.py
diff --git a/greedy_method/test_knapsack.py b/knapsack/tests/test_greedy_knapsack.py
similarity index 98%
rename from greedy_method/test_knapsack.py
rename to knapsack/tests/test_greedy_knapsack.py
index 5e277a92114e..b7b62d5d80b4 100644
--- a/greedy_method/test_knapsack.py
+++ b/knapsack/tests/test_greedy_knapsack.py
@@ -1,6 +1,6 @@
 import unittest
 
-from . import greedy_knapsack as kp
+from knapsack import greedy_knapsack as kp
 
 
 class TestClass(unittest.TestCase):
diff --git a/knapsack/test_knapsack.py b/knapsack/tests/test_knapsack.py
similarity index 100%
rename from knapsack/test_knapsack.py
rename to knapsack/tests/test_knapsack.py