BUG: Slice Arrow buffer before passing it to numpy (pandas-dev#40896)

Change argument passed to pyarrow_array_to_numpy_and_mask() from str to
np.dtype.

Author: ThomasBlauthQC

pandas/core/dtypes/dtypes.py

@@ -1000,7 +1000,7 @@ def __from_arrow__(
 
         results = []
         for arr in chunks:
-            data, mask = pyarrow_array_to_numpy_and_mask(arr, dtype="int64")
+            data, mask = pyarrow_array_to_numpy_and_mask(arr, dtype=np.dtype("int64"))
             parr = PeriodArray(data.copy(), freq=self.freq, copy=False)
             parr[~mask] = NaT
             results.append(parr)