Eu sei que isso parece ser uma pergunta estúpida, como é normal, normalmente seria executado:
sudo apt-get install eric
como Eric 6 está nos repositórios oficiais do Ubuntu, mas isso retornou o erro:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies.
eric : Depends: python3-pyqt5.qsci but it is not going to be installed
Depends: python3-pyqt5.qtsql but it is not going to be installed
Depends: python3-pyqt5.qtwebkit but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
tentando o mecanismo recursivo para corrigir esse dilema de dependência, eu corri:
sudo apt-get install eric python3-pyqt5.qsci python3-pyqt5.qtsql python3-pyqt5.qtwebkit python3-pyqt5
mas isso retornou o erro:
Reading package lists... Done
Building dependency tree
Reading state information... Done
python3-pyqt5 is already the newest version (5.5.1+dfsg-3+16.04+build3).
python3-pyqt5 set to manually installed.
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies.
python3-pyqt5.qsci : Depends: libqt5scintilla2-12v5 (>= 2.9) but it is not going to be installed
python3-pyqt5.qtsql : Depends: python3-pyqt5 (= 5.5.1+dfsg-3ubuntu4) but 5.5.1+dfsg-3+16.04+build3 is to be installed
python3-pyqt5.qtwebkit : Depends: python3-pyqt5 (= 5.5.1+dfsg-3ubuntu4) but 5.5.1+dfsg-3+16.04+build3 is to be installed
E: Unable to correct problems, you have held broken packages.