diff --git a/quicktex/__init__.py b/quicktex/__init__.py
index 9ba7e47..745e7df 100644
--- a/quicktex/__init__.py
+++ b/quicktex/__init__.py
@@ -1 +1 @@
-from _quicktex import *
\ No newline at end of file
+from _quicktex import *
diff --git a/quicktex/s3tc/__init__.py b/quicktex/s3tc/__init__.py
index eee04a1..7703173 100644
--- a/quicktex/s3tc/__init__.py
+++ b/quicktex/s3tc/__init__.py
@@ -2,4 +2,4 @@
 The s3tc module provides encoders and decoders for the common S3 Texture Compression formats. BC1-5 encoding is done
 internally using a modified version of rgbcx.h.
 """
-from _quicktex._s3tc import *
\ No newline at end of file
+from _quicktex._s3tc import *
diff --git a/quicktex/s3tc/bc1/__init__.py b/quicktex/s3tc/bc1/__init__.py
index 45a2512..90ea6d0 100644
--- a/quicktex/s3tc/bc1/__init__.py
+++ b/quicktex/s3tc/bc1/__init__.py
@@ -1,3 +1,3 @@
 """Classes for encoding/decoding BC1 textures"""
 
-from _quicktex._s3tc._bc1 import *
\ No newline at end of file
+from _quicktex._s3tc._bc1 import *
diff --git a/quicktex/s3tc/bc3/__init__.py b/quicktex/s3tc/bc3/__init__.py
index 90a9fe9..5e7df0f 100644
--- a/quicktex/s3tc/bc3/__init__.py
+++ b/quicktex/s3tc/bc3/__init__.py
@@ -1 +1 @@
-from _quicktex._s3tc._bc3 import *
\ No newline at end of file
+from _quicktex._s3tc._bc3 import *
diff --git a/quicktex/s3tc/bc4/__init__.py b/quicktex/s3tc/bc4/__init__.py
index 70a39de..3de6304 100644
--- a/quicktex/s3tc/bc4/__init__.py
+++ b/quicktex/s3tc/bc4/__init__.py
@@ -1 +1 @@
-from _quicktex._s3tc._bc4 import *
\ No newline at end of file
+from _quicktex._s3tc._bc4 import *
diff --git a/quicktex/s3tc/bc5/__init__.py b/quicktex/s3tc/bc5/__init__.py
index 64d8a00..64a75a5 100644
--- a/quicktex/s3tc/bc5/__init__.py
+++ b/quicktex/s3tc/bc5/__init__.py
@@ -1 +1 @@
-from _quicktex._s3tc._bc5 import *
\ No newline at end of file
+from _quicktex._s3tc._bc5 import *
diff --git a/quicktex/s3tc/interpolator/__init__.py b/quicktex/s3tc/interpolator/__init__.py
index f7b24bd..bad763b 100644
--- a/quicktex/s3tc/interpolator/__init__.py
+++ b/quicktex/s3tc/interpolator/__init__.py
@@ -1,3 +1,3 @@
 """Classes representing various methods of interpolating BC1-3 blocks"""
 
-from _quicktex._s3tc._interpolator import *
\ No newline at end of file
+from _quicktex._s3tc._interpolator import *
diff --git a/tests/test_bc4.py b/tests/test_bc4.py
index b10c005..ffcbbb6 100644
--- a/tests/test_bc4.py
+++ b/tests/test_bc4.py
@@ -139,6 +139,7 @@ class TestBC4Texture(unittest.TestCase):
 
 class TestBC4Encoder(unittest.TestCase):
     """Test BC4Encoder"""
+
     # 6-value blocks are not yet supported by the encoder so we only run one test
     @classmethod
     def setUpClass(cls):
@@ -180,4 +181,3 @@ class TestBC4Decoder(unittest.TestCase):
         img_hist = img_diff.histogram()
 
         self.assertEqual(16, img_hist[0], 'decoded block is incorrect')
-