Merge remote-tracking branch 'upstream/master'

1 files changed, 11 insertions, 8 deletions

diff --git a/demos/interactive.py b/demos/interactive.py
index 7138cd6c..037787c4 100644
--- a/demos/interactive.py
+++ b/demos/interactive.py
@@ -25,6 +25,7 @@ from paramiko.py3compat import u
 try:
     import termios
     import tty
+
     has_termios = True
 except ImportError:
     has_termios = False
@@ -39,7 +40,7 @@ def interactive_shell(chan):
 
 def posix_shell(chan):
     import select
-    
+
     oldtty = termios.tcgetattr(sys.stdin)
     try:
         tty.setraw(sys.stdin.fileno())
@@ -52,7 +53,7 @@ def posix_shell(chan):
                 try:
                     x = u(chan.recv(1024))
                     if len(x) == 0:
-                        sys.stdout.write('\r\n*** EOF\r\n')
+                        sys.stdout.write("\r\n*** EOF\r\n")
                         break
                     sys.stdout.write(x)
                     sys.stdout.flush()
@@ -67,26 +68,28 @@ def posix_shell(chan):
     finally:
         termios.tcsetattr(sys.stdin, termios.TCSADRAIN, oldtty)
 
-    
+
 # thanks to Mike Looijmans for this code
 def windows_shell(chan):
     import threading
 
-    sys.stdout.write("Line-buffered terminal emulation. Press F6 or ^Z to send EOF.\r\n\r\n")
-        
+    sys.stdout.write(
+        "Line-buffered terminal emulation. Press F6 or ^Z to send EOF.\r\n\r\n"
+    )
+
     def writeall(sock):
         while True:
             data = sock.recv(256)
             if not data:
-                sys.stdout.write('\r\n*** EOF ***\r\n\r\n')
+                sys.stdout.write("\r\n*** EOF ***\r\n\r\n")
                 sys.stdout.flush()
                 break
             sys.stdout.write(data)
             sys.stdout.flush()
-        
+
     writer = threading.Thread(target=writeall, args=(chan,))
     writer.start()
-        
+
     try:
         while True:
             d = sys.stdin.read(1)