Sometimes pip complains of conflicting dependencies despite there being no actual version conflict, for example in this case even after removing the specific version of elastic-apm from constraints.txt entirely (just leaving it in mypackage's setup.py) it still failed as follows: ERROR: Cannot install elastic-apm because these package versions have conflicting dependencies. The conflict is caused by: mypackage 1.2.3 depends on elastic-apm The user requested (constraint) elastic-apm To fix this you could try to: 1. loosen the range of package versions you've specified 2. remove package versions to allow pip attempt to solve the dependency conflict ERROR: ResolutionImpossible: for help visit https://pip.pypa.io/en/latest/topics/dependency-resolution/#dealing-with-dependency-conflicts This was with pip 22.1.2 & python 3.10 using a command like this (i.e. use a local folder of wheels, not PyPI) pip install -r requirements.txt -c constraints.txt --no-index --find-links LOCALDIR --no-cache-dir --isolated Why is pip complaining about conflicting dependencies when there are in fact no specific versions or ranges requested at all, never mind conflicting ones? Continue reading...
