Fixed a couple of deprecations for recent numpy

Author: ml31415

numpy_groupies/aggregate_numpy.py

@@ -194,7 +194,7 @@ def _array(group_idx, a, size, fill_value, dtype=None):
     order_group_idx = np.argsort(group_idx, kind='mergesort')
     counts = np.bincount(group_idx, minlength=size)
     ret = np.split(a[order_group_idx], np.cumsum(counts)[:-1])
-    ret = np.asanyarray(ret)
+    ret = np.asanyarray(ret, dtype="object")
     if fill_value is None or np.isscalar(fill_value):
         _fill_untouched(group_idx, ret, fill_value)
     return ret

numpy_groupies/utils_numpy.py

@@ -98,15 +98,15 @@ def minimum_dtype_scalar(x, dtype, a):
 
 
 _forced_types = {
-    'array': np.object,
-    'all': np.bool_,
-    'any': np.bool_,
-    'nanall': np.bool_,
-    'nanany': np.bool_,
+    'array': object,
+    'all': bool,
+    'any': bool,
+    'nanall': bool,
+    'nanany': bool,
     'len': np.int64,
     'nanlen': np.int64,
-    'allnan': np.bool_,
-    'anynan': np.bool_,
+    'allnan': bool,
+    'anynan': bool,
     'argmax': np.int64,
     'argmin': np.int64,
 }