wsdump, test_fuzzingclient, websocket.*, test_websocket: Organise imports

Previously, because of the multiple instances of `from foo import *`, names were
imported from modules that had themselves imported them, instead of from the
place of definition. This commit therefore does the following:

- Declares `__all__` in every module that imports anything, so that
`from foo import *` is sane.
- Sorts the imports based on conventions, similar to the output of `isort`.
- Places all conditional imports after unconditional imports, except where that
isn't valid.
- Imports local names from the modules where they are defined, except when
importing the package itself.

1 files changed, 5 insertions, 2 deletions

diff --git a/bin/wsdump.py b/bin/wsdump.py
index 0478070..5af00ac 100755
--- a/bin/wsdump.py
+++ b/bin/wsdump.py
@@ -2,12 +2,15 @@
 
 import argparse
 import code
-import six
 import sys
 import threading
 import time
-import websocket
+
+import six
 from six.moves.urllib.parse import urlparse
+
+import websocket
+
 try:
     import readline
 except ImportError: