Numpy 1.24 compatibility (#1012)

* Update core.py

* monkey patch isitgr and fast-pt if Numpy>=1.24

* Remove np.integer and np.floating

pyccl/__init__.py

@@ -16,6 +16,14 @@
 # SWIG-generated
 from . import ccllib as lib
 
+# monkey patch for isitgr and fast-pt if Numpy>=1.24
+from packaging.version import parse
+import numpy as np
+if parse(np.__version__) >= parse('1.24'):
+    np.int = int
+del parse
+del np
+
 # Errors
 from .errors import (
     CCLError,

pyccl/core.py

@@ -280,11 +280,11 @@ def write_yaml(self, filename):
         """
         def make_yaml_friendly(d):
             for k, v in d.items():
-                if isinstance(v, np.floating):
+                if isinstance(v, float):
                     d[k] = float(v)
-                elif isinstance(v, np.integer):
+                elif isinstance(v, int):
                     d[k] = int(v)
-                elif isinstance(v, np.bool):
+                elif isinstance(v, bool):
                     d[k] = bool(v)
                 elif isinstance(v, dict):
                     make_yaml_friendly(v)