Add `--ignore-installed` switch to pip command line
@@ -11,7 +11,7 @@ source:
build:
number: 0
- script: "{{ PYTHON }} -m pip install --no-deps . -vvv"
+ script: "{{ PYTHON }} -m pip install --no-deps --ignore-installed -vvv ."
skip: True # [not win]
requirements:
