Having the same issue, here's a stack trace from the command line:
XXXXXX$ ./electrum-dash.bin
Traceback (most recent call last):
File "electrum-dash", line 330, in <module>
File "site-packages/electrum_dash/daemon.py", line 115, in __init__
File "site-packages/electrum_dash/daemon.py", line 180, in load_wallet
File "site-packages/electrum_dash/wallet.py", line 1984, in __new__
File "site-packages/electrum_dash/plugins.py", line 155, in dynamic_constructor
File "site-packages/electrum_dash/plugins.py", line 165, in wallet_plugin_loader
File "site-packages/electrum_dash/plugins.py", line 94, in load_plugin
File "pkgutil.py", line 246, in load_module
File "/private/var/folders/jf/3p5xhz4n1mj0jsbk485h_b8w0000gn/T/_MEIloQtQy/plugins/trezor/qt.py", line 1, in <module>
from ..trezor.qt_generic import qt_plugin_class
File "/var/folders/jf/3p5xhz4n1mj0jsbk485h_b8w0000gn/T/_MEIloQtQy/plugins/trezor/qt_generic.py", line 4, in <module>
from PyQt4.Qt import Qt
ImportError: No module named Qt
Failed to execute script electrum-dash