Run black on docs (#5513)

* Run black on docs

* Remove redundant dependencies

* Format docs

1 files changed, 6 insertions, 6 deletions

diff --git a/README.rst b/README.rst
index f28fb8a9..7f5224e6 100644
--- a/README.rst
+++ b/README.rst
@@ -27,15 +27,15 @@ Simple example
 
 Find the shortest path between two nodes in an undirected graph:
 
-.. code:: python
+.. code:: pycon
 
     >>> import networkx as nx
     >>> G = nx.Graph()
-    >>> G.add_edge('A', 'B', weight=4)
-    >>> G.add_edge('B', 'D', weight=2)
-    >>> G.add_edge('A', 'C', weight=3)
-    >>> G.add_edge('C', 'D', weight=4)
-    >>> nx.shortest_path(G, 'A', 'D', weight='weight')
+    >>> G.add_edge("A", "B", weight=4)
+    >>> G.add_edge("B", "D", weight=2)
+    >>> G.add_edge("A", "C", weight=3)
+    >>> G.add_edge("C", "D", weight=4)
+    >>> nx.shortest_path(G, "A", "D", weight="weight")
     ['A', 'B', 'D']
 
 Install