X-Git-Url: https://scm.cri.ensmp.fr/git/linpy.git/blobdiff_plain/e7f3590c9ffe5b309c11048f12888e18b3b82529..b3c0d23e54fe4362097a2b77c34f7bc5b492e2a0:/pypol/coordinates.py

diff --git a/pypol/coordinates.py b/pypol/coordinates.py
index 69d498e..78e8d4a 100644
--- a/pypol/coordinates.py
+++ b/pypol/coordinates.py
@@ -3,7 +3,7 @@ import numbers
 import operator
 
 from abc import ABC, abstractmethod
-from collections import OrderedDict
+from collections import OrderedDict, Mapping
 
 from .linexprs import Symbol
 
@@ -75,7 +75,7 @@ class Point(Coordinates):
     """
 
     def __new__(cls, coordinates=None):
-        if isinstance(coordinates, dict):
+        if isinstance(coordinates, Mapping):
             coordinates = coordinates.items()
         self = object().__new__(cls)
         self._coordinates = OrderedDict()