Clean up imports, 2nd attempt

gui/qt/__init__.py

@@ -17,12 +17,7 @@
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
 import sys
-import time
-import datetime
-import re
-import threading
-import os.path, json, ast, traceback
-import shutil
+import os.path
 import signal
 
 try:
@@ -35,17 +30,14 @@ from PyQt4.QtCore import *
 import PyQt4.QtCore as QtCore
 
 from electrum.i18n import _, set_language
-from electrum.util import print_error, print_msg
-from electrum.plugins import run_hook, always_hook
-from electrum import WalletStorage, Wallet
-from electrum.bitcoin import MIN_RELAY_TX_FEE
+from electrum.plugins import run_hook
 
 try:
     import icons_rc
 except Exception:
     sys.exit("Error: Could not import icons_rc.py, please generate it with: 'pyrcc4 icons.qrc -o gui/qt/icons_rc.py'")
 
-from util import *
+from util import *   # * needed for plugins
 from main_window import ElectrumWindow