Allow dispatcher decorator without a namenx-sparse

- Name is taken from the decorated function
- Raise error if backend doesn't implement a decorated function which is called
- Check for duplicate names for dispatching algorithms

1 files changed, 2 insertions, 2 deletions

diff --git a/networkx/algorithms/regular.py b/networkx/algorithms/regular.py
index 89b98742..7c0b2709 100644
--- a/networkx/algorithms/regular.py
+++ b/networkx/algorithms/regular.py
@@ -5,7 +5,7 @@ from networkx.utils import not_implemented_for
 __all__ = ["is_regular", "is_k_regular", "k_factor"]
 
 
-@nx.dispatch("is_regular")
+@nx.dispatch
 def is_regular(G):
     """Determines whether the graph ``G`` is a regular graph.
 
@@ -41,7 +41,7 @@ def is_regular(G):
         return in_regular and out_regular
 
 
-@nx.dispatch("is_k_regular")
+@nx.dispatch
 @not_implemented_for("directed")
 def is_k_regular(G, k):
     """Determines whether the graph ``G`` is a k-regular graph.