diff --git a/Doc/includes/dbpickle.py b/Doc/includes/dbpickle.py
index c021eac..b88ee87 100644
--- a/Doc/includes/dbpickle.py
+++ b/Doc/includes/dbpickle.py
@@ -47,7 +47,8 @@
 
 
 def main():
-    import io, pprint
+    import io
+    import pprint
 
     # Initialize and populate our database.
     conn = sqlite3.connect(":memory:")
diff --git a/Doc/includes/mp_benchmarks.py b/Doc/includes/mp_benchmarks.py
index 72d4426..acdf642 100644
--- a/Doc/includes/mp_benchmarks.py
+++ b/Doc/includes/mp_benchmarks.py
@@ -5,7 +5,12 @@
 # All rights reserved.
 #
 
-import time, sys, multiprocessing, threading, queue, gc
+import time
+import sys
+import multiprocessing
+import threading
+import queue
+import gc
 
 if sys.platform == 'win32':
     _timer = time.clock
@@ -111,7 +116,7 @@
         for i in range(iterations):
             a = seq[5]
 
-        elapsed = _timer()-t
+        elapsed = _timer() - t
 
     print(iterations, 'iterations in', elapsed, 'seconds')
     print('average number/sec:', iterations/elapsed)
@@ -132,7 +137,7 @@
             l.acquire()
             l.release()
 
-        elapsed = _timer()-t
+        elapsed = _timer() - t
 
     print(iterations, 'iterations in', elapsed, 'seconds')
     print('average number/sec:', iterations/elapsed)
@@ -169,7 +174,7 @@
             c.notify()
             c.wait()
 
-        elapsed = _timer()-t
+        elapsed = _timer() - t
 
         c.release()
         p.join()
diff --git a/Doc/includes/mp_pool.py b/Doc/includes/mp_pool.py
index e360703..1578498 100644
--- a/Doc/includes/mp_pool.py
+++ b/Doc/includes/mp_pool.py
@@ -25,18 +25,18 @@
     return calculate(*args)
 
 def mul(a, b):
-    time.sleep(0.5*random.random())
+    time.sleep(0.5 * random.random())
     return a * b
 
 def plus(a, b):
-    time.sleep(0.5*random.random())
+    time.sleep(0.5 * random.random())
     return a + b
 
 def f(x):
-    return 1.0 / (x-5.0)
+    return 1.0 / (x - 5.0)
 
 def pow3(x):
-    return x**3
+    return x ** 3
 
 def noop(x):
     pass
diff --git a/Doc/includes/mp_synchronize.py b/Doc/includes/mp_synchronize.py
index fd393f2..81dbc38 100644
--- a/Doc/includes/mp_synchronize.py
+++ b/Doc/includes/mp_synchronize.py
@@ -5,7 +5,9 @@
 # All rights reserved.
 #
 
-import time, sys, random
+import time
+import sys
+import random
 from queue import Empty
 
 import multiprocessing               # may get overwritten
@@ -237,9 +239,9 @@
 
     multiprocessing = namespace
 
-    for func in [ test_value, test_queue, test_condition,
-                  test_semaphore, test_join_timeout, test_event,
-                  test_sharedvalues ]:
+    for func in [test_value, test_queue, test_condition,
+                 test_semaphore, test_join_timeout, test_event,
+                 test_sharedvalues]:
 
         print('\n\t######## %s\n' % func.__name__)
         func()
diff --git a/Doc/includes/mp_webserver.py b/Doc/includes/mp_webserver.py
index 0878de1..651024d 100644
--- a/Doc/includes/mp_webserver.py
+++ b/Doc/includes/mp_webserver.py
@@ -24,7 +24,7 @@
 
 
 def note(format, *args):
-    sys.stderr.write('[%s]\t%s\n' % (current_process().name, format%args))
+    sys.stderr.write('[%s]\t%s\n' % (current_process().name, format % args))
 
 
 class RequestHandler(SimpleHTTPRequestHandler):
@@ -45,7 +45,7 @@
     server = HTTPServer(address, RequestHandler)
 
     # create child processes to act as workers
-    for i in range(number_of_processes-1):
+    for i in range(number_of_processes - 1):
         Process(target=serve_forever, args=(server,)).start()
 
     # main process also acts as a worker
diff --git a/Doc/includes/sqlite3/adapter_datetime.py b/Doc/includes/sqlite3/adapter_datetime.py
index 5869e22..be33395 100644
--- a/Doc/includes/sqlite3/adapter_datetime.py
+++ b/Doc/includes/sqlite3/adapter_datetime.py
@@ -1,5 +1,6 @@
 import sqlite3
-import datetime, time
+import datetime
+import time
 
 def adapt_datetime(ts):
     return time.mktime(ts.timetuple())
diff --git a/Doc/includes/tzinfo-examples.py b/Doc/includes/tzinfo-examples.py
index 5132429..3a8cf47 100644
--- a/Doc/includes/tzinfo-examples.py
+++ b/Doc/includes/tzinfo-examples.py
@@ -27,7 +27,7 @@
     """Fixed offset in minutes east from UTC."""
 
     def __init__(self, offset, name):
-        self.__offset = timedelta(minutes = offset)
+        self.__offset = timedelta(minutes=offset)
         self.__name = name
 
     def utcoffset(self, dt):