I typed electrum and got the following messege. Basically there is a key error???
~$ electrum
Traceback (most recent call last):
File "/usr/local/bin/electrum", line 254, in
gui.main(url)
File "/usr/local/lib/python2.7/dist-packages/electrum_gui/qt/__init__.py", line 224, in main
w.load_wallet(wallet)
File "/usr/local/lib/python2.7/dist-packages/electrum_gui/qt/main_window.py", line 216, in load_wallet
self.update_history_tab()
File "/usr/local/lib/python2.7/dist-packages/electrum_gui/qt/main_window.py", line 580, in update_history_tab
h = self.wallet.get_history(domain)
File "/usr/local/lib/python2.7/dist-packages/electrum/wallet.py", line 743, in get_history
c, u = self.get_balance(domain)
File "/usr/local/lib/python2.7/dist-packages/electrum/wallet.py", line 572, in get_balance
c, u = self.get_addr_balance(addr)
File "/usr/local/lib/python2.7/dist-packages/electrum/wallet.py", line 487, in get_addr_balance
coins = self.get_addr_utxo(address)
File "/usr/local/lib/python2.7/dist-packages/electrum/wallet.py", line 472, in get_addr_utxo
coins.pop(txi)
KeyError: u'some key writing here:0'