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[7.4.x] Improve duplicate values documentation #11296

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Aug 8, 2023
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[7.4.x] Improve duplicate values documentation #11296

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7 changes: 4 additions & 3 deletions src/_pytest/python.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1152,7 +1152,7 @@ def setmulti(
arg2scope = self._arg2scope.copy()
for arg, val in zip(argnames, valset):
if arg in params or arg in funcargs:
raise ValueError(f"duplicate {arg!r}")
raise ValueError(f"duplicate parametrization of {arg!r}")
valtype_for_arg = valtypes[arg]
if valtype_for_arg == "params":
params[arg] = val
Expand Down Expand Up @@ -1243,8 +1243,9 @@ def parametrize(
during the collection phase. If you need to setup expensive resources
see about setting indirect to do it rather than at test setup time.

Can be called multiple times, in which case each call parametrizes all
previous parametrizations, e.g.
Can be called multiple times per test function (but only on different
argument names), in which case each call parametrizes all previous
parametrizations, e.g.

::

Expand Down