diff --git a/tools/aws.py b/tools/aws.py
index a6c0b774f..e5061a875 100644
--- a/tools/aws.py
+++ b/tools/aws.py
@@ -17,6 +17,8 @@ def wget(url):
     return ''
 
 # Perform a git pull.
+
+
 def gitpull():
     try:
         subprocess.call(['git', 'pull'])
diff --git a/tools/ci.py b/tools/ci.py
index ee0007ab4..7c8f3bb50 100644
--- a/tools/ci.py
+++ b/tools/ci.py
@@ -29,7 +29,7 @@ def upload(file_to_upload, destination):
         password = sys.argv[1]
         child = pexpect.spawn(
             'scp ' + file_to_upload + ' danielmarjamaki,cppcheck@web.sourceforge.net:' + destination)
-        #child.expect(
+        # child.expect(
         #    'danielmarjamaki,cppcheck@web.sourceforge.net\'s password:')
         child.expect('Password:')
         child.sendline(password)
@@ -131,26 +131,28 @@ def daca2report():
     subprocess.call(['python', 'tools/daca2-report.py', 'daca2-report'])
     upload('-r daca2-report', 'htdocs/devinfo/')
 
+
 def daca2folder():
     oldresults = glob.glob(os.path.expanduser('~/daca2/*/results.txt'))
     oldestfolder = None
     oldestdate = None
     for old in oldresults:
-        f = open(old,'rt')
+        f = open(old, 'rt')
         filedata = f.read()
         f.close()
         pos = filedata.find('STARTDATE')
         if pos < 0:
             pos = old.find('/daca2/')
-            return old[pos+7:old.find('/',pos+8)]
-        startdate = filedata[pos+10:pos+20]
+            return old[pos + 7:old.find('/', pos + 8)]
+        startdate = filedata[pos + 10:pos + 20]
         if not oldestdate or oldestdate > startdate:
             oldestdate = startdate
             pos = old.find('/daca2/')
-            oldestfolder = old[pos+7:old.find('/',pos+8)]
+            oldestfolder = old[pos + 7:old.find('/', pos + 8)]
 
     return oldestfolder
 
+
 def daca2():
     folder = daca2folder()
     print('Daca2 folder=' + folder)
@@ -164,7 +166,7 @@ def daca2():
     subprocess.call(
         ['make', 'clean'])
     subprocess.call(
-        ['nice', 'make', 'SRCDIR=build', 'CFGDIR='+os.path.expanduser('~/cppcheck/cfg'), 'CXXFLAGS=-O2', 'CPPFLAGS=-DMAXTIME=600'])
+        ['nice', 'make', 'SRCDIR=build', 'CFGDIR=' + os.path.expanduser('~/cppcheck/cfg'), 'CXXFLAGS=-O2', 'CPPFLAGS=-DMAXTIME=600'])
     subprocess.call(
         ['mv', 'cppcheck', os.path.expanduser('~/daca2/cppcheck-O2')])