CLN: NEP 50 followups (pandas-dev#56682)

Author: lithomas1

.github/workflows/unit-tests.yml

@@ -92,7 +92,7 @@ jobs:
           - name: "Numpy Dev"
             env_file: actions-311-numpydev.yaml
             pattern: "not slow and not network and not single_cpu"
-            test_args: "-W error::FutureWarning"
+            test_args: "-W error::DeprecationWarning -W error::FutureWarning"
           - name: "Pyarrow Nightly"
             env_file: actions-311-pyarrownightly.yaml
             pattern: "not slow and not network and not single_cpu"

ci/deps/actions-310.yaml

@@ -20,7 +20,7 @@ dependencies:
 
   # required dependencies
   - python-dateutil
-  - numpy<2
+  - numpy
   - pytz
 
   # optional dependencies

ci/deps/actions-311-downstream_compat.yaml

@@ -21,7 +21,7 @@ dependencies:
 
   # required dependencies
   - python-dateutil
-  - numpy<2
+  - numpy
   - pytz
 
   # optional dependencies

ci/deps/actions-311-pyarrownightly.yaml

@@ -18,7 +18,7 @@ dependencies:
 
   # required dependencies
   - python-dateutil
-  - numpy<2
+  - numpy
   - pytz
   - pip
 

ci/deps/actions-311-sanitizers.yaml

@@ -22,7 +22,7 @@ dependencies:
 
   # required dependencies
   - python-dateutil
-  - numpy<2
+  - numpy
   - pytz
 
   # pandas dependencies

ci/deps/actions-311.yaml

@@ -20,7 +20,7 @@ dependencies:
 
   # required dependencies
   - python-dateutil
-  - numpy<2
+  - numpy
   - pytz
 
   # optional dependencies

ci/deps/actions-312.yaml

@@ -20,7 +20,7 @@ dependencies:
 
   # required dependencies
   - python-dateutil
-  - numpy<2
+  - numpy
   - pytz
 
   # optional dependencies

ci/deps/actions-39-minimum_versions.yaml

@@ -22,7 +22,7 @@ dependencies:
 
   # required dependencies
   - python-dateutil=2.8.2
-  - numpy=1.22.4, <2
+  - numpy=1.22.4
   - pytz=2020.1
 
   # optional dependencies

ci/deps/actions-39.yaml

@@ -20,7 +20,7 @@ dependencies:
 
   # required dependencies
   - python-dateutil
-  - numpy<2
+  - numpy
   - pytz
 
   # optional dependencies

ci/deps/actions-pypy-39.yaml

@@ -20,7 +20,7 @@ dependencies:
   - hypothesis>=6.46.1
 
   # required
-  - numpy<2
+  - numpy
   - python-dateutil
   - pytz
   - pip:

ci/deps/circle-310-arm64.yaml

@@ -20,7 +20,7 @@ dependencies:
 
   # required dependencies
   - python-dateutil
-  - numpy<2
+  - numpy
   - pytz
 
   # optional dependencies

pandas/core/dtypes/cast.py

@@ -1332,7 +1332,7 @@ def find_result_type(left_dtype: DtypeObj, right: Any) -> DtypeObj:
                 right = left_dtype
             elif (
                 not np.issubdtype(left_dtype, np.unsignedinteger)
-                and 0 < right <= 2 ** (8 * right_dtype.itemsize - 1) - 1
+                and 0 < right <= np.iinfo(right_dtype).max
             ):
                 # If left dtype isn't unsigned, check if it fits in the signed dtype
                 right = np.dtype(f"i{right_dtype.itemsize}")