subok

1 files changed, 3 insertions, 1 deletions

diff --git a/pint/facets/numpy/numpy_func.py b/pint/facets/numpy/numpy_func.py
index 44bdfe9..2c07281 100644
--- a/pint/facets/numpy/numpy_func.py
+++ b/pint/facets/numpy/numpy_func.py
@@ -77,6 +77,8 @@ def convert_arg(arg, pre_calc_units):
     Helper function for convert_to_consistent_units. pre_calc_units must be given as a
     pint Unit or None.
     """
+    if isinstance(arg, bool):
+        return arg
     if pre_calc_units is not None:
         if _is_quantity(arg):
             return arg.m_as(pre_calc_units)
@@ -101,7 +103,7 @@ def convert_to_consistent_units(*args, pre_calc_units=None, **kwargs):
 
     If pre_calc_units is not None, takes the args and kwargs for a NumPy function and
     converts any Quantity or Sequence of Quantities into the units of the first
-    Quantity/Sequence of Quantities and returns the magnitudes. Other args/kwargs are
+    Quantity/Sequence of Quantities and returns the magnitudes. Other args/kwargs (except booleans) are
     treated as dimensionless Quantities. If pre_calc_units is None, units are simply
     stripped.
     """