CI: Fix npdev error on deprecation & future warnings (#50452)

* CI: Fix npdev error on deprecation & future warnings

* Fix test:

* Adddress np deprecationwarnings

* Remove supressed deprecation warnning

Author: mroeschke

.github/workflows/ubuntu.yml

@@ -77,7 +77,7 @@ jobs:
           - name: "Numpy Dev"
             env_file: actions-310-numpydev.yaml
             pattern: "not slow and not network and not single_cpu"
-            test_args: "-W error::DeprecationWarning:numpy -W error::FutureWarning:numpy"
+            test_args: "-W error::DeprecationWarning -W error::FutureWarning"
             error_on_warnings: "0"
         exclude:
           - env_file: actions-38.yaml

pandas/core/dtypes/cast.py

@@ -1590,7 +1590,15 @@ def maybe_cast_to_integer_array(arr: list | np.ndarray, dtype: np.dtype) -> np.n
 
     try:
         if not isinstance(arr, np.ndarray):
-            casted = np.array(arr, dtype=dtype, copy=False)
+            with warnings.catch_warnings():
+                # We already disallow dtype=uint w/ negative numbers
+                # (test_constructor_coercion_signed_to_unsigned) so safe to ignore.
+                warnings.filterwarnings(
+                    "ignore",
+                    "NumPy will stop allowing conversion of out-of-bound Python int",
+                    DeprecationWarning,
+                )
+                casted = np.array(arr, dtype=dtype, copy=False)
         else:
             casted = arr.astype(dtype, copy=False)
     except OverflowError as err:

pandas/tests/arithmetic/test_datetime64.py

@@ -1100,7 +1100,9 @@ def test_dt64arr_addsub_intlike(
             dti = date_range("2016-01-01", periods=2, freq=freq, tz=tz)
 
         obj = box_with_array(dti)
-        other = np.array([4, -1], dtype=dtype)
+        other = np.array([4, -1])
+        if dtype is not None:
+            other = other.astype(dtype)
 
         msg = "|".join(
             [

pandas/tests/series/test_constructors.py

@@ -14,10 +14,6 @@
     iNaT,
     lib,
 )
-from pandas.compat import (
-    IS64,
-    is_numpy_dev,
-)
 from pandas.errors import IntCastingNaNError
 import pandas.util._test_decorators as td
 
@@ -764,14 +760,11 @@ def test_constructor_cast(self):
     def test_constructor_signed_int_overflow_raises(self):
         # GH#41734 disallow silent overflow, enforced in 2.0
         msg = "Values are too large to be losslessly converted"
-        numpy_warning = DeprecationWarning if is_numpy_dev or not IS64 else None
         with pytest.raises(ValueError, match=msg):
-            with tm.assert_produces_warning(numpy_warning, check_stacklevel=False):
-                Series([1, 200, 923442], dtype="int8")
+            Series([1, 200, 923442], dtype="int8")
 
         with pytest.raises(ValueError, match=msg):
-            with tm.assert_produces_warning(numpy_warning, check_stacklevel=False):
-                Series([1, 200, 923442], dtype="uint8")
+            Series([1, 200, 923442], dtype="uint8")
 
     @pytest.mark.parametrize(
         "values",