diff --git a/humanc/bangbang.py b/humanc/bangbang.py
index eed72b83..b5020514 100644
--- a/humanc/bangbang.py
+++ b/humanc/bangbang.py
@@ -8,9 +8,8 @@ def bangbang_controller(ym):
         amp = 3
     elif ym[1]<65:
         amp = 1
-	    
-     
-    ustar = np.array([amp,30])    
+
+    ustar = np.array([amp,30])
     return ustar
 
 
diff --git a/tools/bangbang.py b/tools/bangbang.py
index 3bf9e5a2..9b723822 100644
--- a/tools/bangbang.py
+++ b/tools/bangbang.py
@@ -9,9 +9,8 @@ def bangbang_controller(ym):
         amp = 3
     elif ym[1]<65:
         amp = 1
-	    
-     
-    ustar = np.array([amp,30])    
+
+    ustar = np.array([amp,30])
     return ustar