numpy2 (#234)

* uprev

* numpy2

* no np2

* test nmpy 2

* np2

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ jobs:
     strategy:
       matrix:
         python-version: ["3.10", "3.11", "3.12"]
-        numpy: ["numpy>=1.20.3,<2.0.0"]
+        numpy: ["numpy>=1.20.3,<2.0.0", "numpy==2.0.0.rc2"]
         pandas: ["pandas==2.2.2"]
         pint: ["pint==0.24"]
 

pint_pandas/pint_array.py

@@ -398,6 +398,8 @@ def __setitem__(self, key, value):
         except IndexError as e:
             msg = "Mask is wrong length. {}".format(e)
             raise IndexError(msg)
+        except TypeError as e:
+            raise ValueError(e)
 
     def _formatter(self, boxed=False):
         """Formatting function for scalar values.
@@ -833,7 +835,7 @@ def __array__(self, dtype=None, copy=False):
             return self._to_array_of_quantity(copy=copy)
         if is_string_dtype(dtype):
             return np.array([str(x) for x in self.quantity], dtype=str)
-        return np.array(self._data, dtype=dtype, copy=copy)
+        return np.array(self._data, dtype=dtype)
 
     def _to_array_of_quantity(self, copy=False):
         qtys = [
@@ -843,7 +845,7 @@ def _to_array_of_quantity(self, copy=False):
             for item in self._data
         ]
         with warnings.catch_warnings(record=True):
-            return np.array(qtys, dtype="object", copy=copy)
+            return np.array(qtys, dtype="object")
 
     def searchsorted(self, value, side="left", sorter=None):
         """

pint_pandas/testsuite/test_issues.py

@@ -136,7 +136,8 @@ def test_reductions(self, reduction):
             tp = self._timeit(getattr(s_pint, reduction)).to("ms")
             t = self._timeit(getattr(s, reduction)).to("ms")
 
-            assert tp <= 5 * t
+            if t > 0:
+                assert tp <= 5 * t
 
 
 def test_issue_86():