Colcon build not updating code in ros2_workspace/install

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Hi all

I'm working in a ros2_workspace with two packages, interface_package and line_ros2. The code I write in line_ros2 does not change the executables in install/line_ros2/lib/python3.6/site-packages/line_ros2/ after I run colcon build. It has worked on and off today and appear out of nowhere. If I change the code in install/line_ros2/lib/python3.6/site-packages/line_ros2/ and run the scripts via ros2 run, it does change but the moment I run colcon build again, the changes dissapear to the old version.

Here are the "logs":

Finished <<< interface_package [1.44s]
Starting >>> line_ros2
--- output: line_ros2
running egg_info
writing ../../build/line_ros2/line_ros2.egg-info/PKG-INFO
writing dependency_links to ../../build/line_ros2/line_ros2.egg-info/dependency_links.txt
writing entry points to ../../build/line_ros2/line_ros2.egg-info/entry_points.txt
writing requirements to ../../build/line_ros2/line_ros2.egg-info/requires.txt
writing top-level names to ../../build/line_ros2/line_ros2.egg-info/top_level.txt
reading manifest file '../../build/line_ros2/line_ros2.egg-info/SOURCES.txt'
writing manifest file '../../build/line_ros2/line_ros2.egg-info/SOURCES.txt'
running build
running build_py
running install
running install_lib
byte-compiling /root/ros2_workspace/install/line_ros2/lib/python3.6/site-packages/line_ros2/eQART_main_function.py to eQART_main_function.cpython-36.pyc
running install_data
running install_egg_info
removing '/root/ros2_workspace/install/line_ros2/lib/python3.6/site-packages/line_ros2-0.0.0-py3.6.egg-info' (and everything under it)
Copying ../../build/line_ros2/line_ros2.egg-info to /root/ros2_workspace/install/line_ros2/lib/python3.6/site-packages/line_ros2-0.0.0-py3.6.egg-info
running install_scripts
Installing main_node script to /root/ros2_workspace/install/line_ros2/lib/line_ros2
Installing motor_control_node script to /root/ros2_workspace/install/line_ros2/lib/line_ros2
writing list of installed files to '/root/ros2_workspace/build/line_ros2/install.log'
---
Finished <<< line_ros2 [5.09s]

Summary: 2 packages finished [7.44s]

The logs from interface_package is not interesting since there are no problems with it.

Do you know what might cause this issue?

Thanks in advance!