diff --git a/apps/splines/plot_matplot.py b/apps/splines/plot_matplot.py
index b684ed75..ae547f7c 100755
--- a/apps/splines/plot_matplot.py
+++ b/apps/splines/plot_matplot.py
@@ -7,7 +7,6 @@
 from splines import *
 
 
-
 def plot_one_seg():
     """ Test routine: create one segment and plot it with matplotlib
     """
@@ -68,7 +67,7 @@ def plot_one_spline():
 
     fig = plt.figure()
     plt.plot(sx, sy)
-    plt.plot(px, py,'o')
+    plt.plot(px, py, 'o')
     plt.grid()
     plt.xlabel('X')
     plt.ylabel('Y')
diff --git a/format_code.py b/format_code.py
index e003f93e..89e9c769 100755
--- a/format_code.py
+++ b/format_code.py
@@ -3,10 +3,8 @@
 #
 # This script runs "clang-format" recursively on all C/C++ files
 
-import sys
 import os
 import fnmatch
-import re
 import subprocess
 
 
@@ -41,7 +39,6 @@ def all_files(root,
 def main():
 
     # loop over all files and format them
-    encs = {}
     for f in all_files(os.getcwd(), patterns='*.cpp;*.c;*.h;*.hpp',
                        skips='*.git*;*build*;*externals*'):
         print(f)