diff --git a/rfcontrol/controller.py b/rfcontrol/controller.py
index 1d19e17..044f94c 100644
--- a/rfcontrol/controller.py
+++ b/rfcontrol/controller.py
@@ -1,6 +1,7 @@
 """
 Python port of the original CoffeeScript/nodejs code
 """
+
 import glob
 import logging
 from os.path import basename, dirname, isfile, join
diff --git a/rfcontrol/helpers.py b/rfcontrol/helpers.py
index 764495d..ccfa241 100644
--- a/rfcontrol/helpers.py
+++ b/rfcontrol/helpers.py
@@ -1,6 +1,7 @@
 """
 Python port of the original CoffeeScript/nodejs code
 """
+
 import logging
 
 logger = logging.getLogger(__name__)
diff --git a/rfcontrol/protocols/_skeleton.py b/rfcontrol/protocols/_skeleton.py
index f06d7c5..84ee2c8 100644
--- a/rfcontrol/protocols/_skeleton.py
+++ b/rfcontrol/protocols/_skeleton.py
@@ -1,6 +1,7 @@
 """
 Use this skeleton protocol to implement new protocols
 """
+
 import logging
 
 from rfcontrol.helpers import binary2pulses, pulses2binary
@@ -27,11 +28,11 @@ def decode(pulses):
 
     # We first map the sequences to binary.
     binary = pulses2binary(pulses, pulses2binary_mapping)
- 
+
     if binary is None:
         return None
 
-   # Binary is now something like:
+    # Binary is now something like:
     #
 
     # Now we extract the data from that string.
diff --git a/rfcontrol/protocols/pir6.py b/rfcontrol/protocols/pir6.py
index 0327c15..ad6e2b9 100644
--- a/rfcontrol/protocols/pir6.py
+++ b/rfcontrol/protocols/pir6.py
@@ -24,7 +24,7 @@
 
 def decode(pulses):
     # Pulses is something like:
-    # 
+    #
 
     # We first map the sequences to binary.
     binary = pulses2binary(pulses, pulses2binary_mapping)