昨天刚安装了 Ubuntu 16.04 LTS，安装了 Eric。工作得很好。今天想启动 Eric 并使用 qtdesigner，但没有成功（找不到错误 qtdesigner），因为您必须根据指南手动安装它。现在经历了这个错误：
Error in sys.excepthook:
Traceback (most recent call last):
File "<frozen importlib._bootstrap>", line 969, in _find_and_load
File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 673, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 665, in exec_module
File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed
File "/usr/share/eric/modules/Utilities/__init__.py", line 61, in <module>
from PyQt5.Qsci import QSCINTILLA_VERSION_STR, QsciScintilla
ImportError: No module named 'PyQt5.Qsci'
Original exception was:
Traceback (most recent call last):
File "/usr/share/eric/modules/eric6.py", line 326, …