I have a snapcraft.yaml file like: name: sensortag version: "1.0" summary: SensorTag Python Bluetooth LE implementation description: API and command line tools for Python Bluetooth Low Energy access confinement: devmode apps: sensortag: command: usr/bin/sensortag sensordata: command: usr/bin/sensordata blescan: command: usr/bin/blescan # mosquito server mosquitto: command: usr/sbin/mosquitto -c $SNAP/mosquitto.conf daemon: simple plugs: [network, network-bind] # mosquitto subscriber subscribe: command: bin/subscribe plugs: [network, network-bind] parts: bluepy: plugin: python3 source: https://github.com/liu-xiao-guo/bluepy source-type: git build-packages: [libglib2.0-dev] # snap: # - -usr/bin mosquitto: plugin: copy stage-packages: [mosquitto] files: mosquitto.conf: mosquitto.conf mqtt-client: plugin: copy files: subscribe.py: bin/subscribe after: [mqtt-paho/python3] In this project, there are two python3 parts: - mqtt-client - bluepy When I try to build the project, and I get the following error: Writing /home/liuxg/snappy/desktop/sensortag/parts/mqtt-paho⧸python3/install/home/liuxg/snappy/desktop/sensortag/parts/mqtt-paho⧸python3/install/usr/lib/python3/dist-packages/paho_mqtt-1.1.egg-info Parts 'mqtt-paho/python3' and 'bluepy' have the following file paths in common which have different contents: usr/bin/2to3-3.5 usr/bin/easy_install3 usr/bin/py3clean usr/bin/py3compile usr/bin/pydoc3.5 usr/lib/python3.5/base64.py usr/lib/python3.5/cProfile.py usr/lib/python3.5/cgi.py usr/lib/python3.5/config-3.5m-x86_64-linux-gnu/python-config.py usr/lib/python3.5/distutils/command/build_scripts.py usr/lib/python3.5/encodings/rot_13.py usr/lib/python3.5/idlelib/EditorWindow.py usr/lib/python3.5/idlelib/PyShell.py usr/lib/python3.5/keyword.py usr/lib/python3.5/lib2to3/pgen2/token.py usr/lib/python3.5/pdb.py usr/lib/python3.5/platform.py usr/lib/python3.5/profile.py usr/lib/python3.5/pydoc.py usr/lib/python3.5/quopri.py usr/lib/python3.5/smtpd.py usr/lib/python3.5/smtplib.py usr/lib/python3.5/symbol.py usr/lib/python3.5/tabnanny.py usr/lib/python3.5/tarfile.py usr/lib/python3.5/test/pystone.py usr/lib/python3.5/test/regrtest.py usr/lib/python3.5/timeit.py usr/lib/python3.5/trace.py usr/lib/python3.5/uu.py usr/lib/python3.5/webbrowser.py usr/lib/python3/dist-packages/pip-8.1.2-py3.5.egg/pip/_vendor/distlib/scripts.py usr/lib/python3/dist-packages/pip-8.1.2-py3.5.egg/pip/_vendor/distlib/wheel.py usr/lib/python3/dist-packages/pip-8.1.2-py3.5.egg/pip/wheel.py usr/lib/python3/dist-packages/setuptools/command/easy_install.py usr/share/dh-python/dh_pypy usr/share/dh-python/dh_python2 usr/share/dh-python/dh_python3 usr/share/dh-python/dhpython/_defaults.py usr/share/dh-python/dhpython/interpreter.py usr/share/dh-python/pybuild usr/share/python3/debpython/interpreter.p It can be found at http://paste.ubuntu.com/23106210/ Basically, I need to find a way to avoid the conflicts between the two parts since they both have the same common component: python liuxg@liuxg:~/snappy/desktop/sensortag$ snapcraft --version 2.14 Thanks!