Faster isiterable when x isn't iterable.

groutr · groutr · commit f0831e7cc4f0 · 2022-08-18T00:08:32.000-05:00
diff --git a/toolz/itertoolz.py b/toolz/itertoolz.py
@@ -283,11 +283,7 @@ def isiterable(x):
     >>> isiterable(5)
     False
     """
-    try:
-        iter(x)
-        return True
-    except TypeError:
-        return False
+    return hasattr(x, "__iter__")
 
 
 def isdistinct(seq):
