Fix some leftovers from the previous commit

.gitlab-ci.yml

@@ -20,7 +20,7 @@ pylint:
   - apt-get -qqy install --no-install-recommends pylint3 python3-mutagen python3-gi-cairo gir1.2-poppler-0.18 gir1.2-gdkpixbuf-2.0
   - pylint3 --extension-pkg-whitelist=cairo,gi ./libmat2 ./mat2
   # Once nautilus-python is in Debian, decomment it form the line below
-  - pylint3 --extension-pkg-whitelist=Nautilus,GObject,Gtk,Gio,GLib,gi ./nautilus/nautilus_mat2.py
+  - pylint3 --extension-pkg-whitelist=Nautilus,GObject,Gtk,Gio,GLib,gi ./nautilus/mat2.py
 
 pyflakes:
   stage: linting
@@ -36,7 +36,7 @@ mypy:
   - apt-get -qqy install --no-install-recommends python3-pip
   - pip3 install mypy
   - mypy mat2 libmat2/*.py --ignore-missing-imports
-  - mypy --ignore-missing-imports ./nautilus/nautilus_mat2.py
+  - mypy --ignore-missing-imports ./nautilus/mat2.py
 
 tests:debian:
   stage: test

INSTALL.md

@@ -44,7 +44,7 @@ $ cd nautilus-python
 $ PYTHON=/usr/bin/python3 ./autogen.sh
 $ make
 # make install
-$ cp ./nautilus/nautilus_mat2.py ~/.local/share/nautilus-python/extensions/
+$ cp ./nautilus/mat2.py ~/.local/share/nautilus-python/extensions/
 $ PYTHONPATH=/home/$USER/mat2 PYTHON=/usr/bin/python3 nautilus
 ```