Fixed database typo and removed unnecessary class identifier.

venv/share/doc/networkx-2.5/examples/pygraphviz/README.txt

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+Pygraphviz
+----------

venv/share/doc/networkx-2.5/examples/pygraphviz/plot_pygraphviz_attributes.py

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+"""
+=====================
+Pygraphviz Attributes
+=====================
+
+An example showing how to use the interface to the pygraphviz
+AGraph class to convert to and from graphviz.
+
+Also see the pygraphviz documentation and examples at
+http://pygraphviz.github.io/
+"""
+
+import networkx as nx
+
+# networkx graph
+G = nx.Graph()
+# ad edges with red color
+G.add_edge(1, 2, color="red")
+G.add_edge(2, 3, color="red")
+# add nodes 3 and 4
+G.add_node(3)
+G.add_node(4)
+
+# convert to a graphviz agraph
+A = nx.nx_agraph.to_agraph(G)
+
+# write to dot file
+A.write("k5_attributes.dot")
+
+# convert back to networkx Graph with attributes on edges and
+# default attributes as dictionary data
+X = nx.nx_agraph.from_agraph(A)
+print("edges")
+print(list(X.edges(data=True)))
+print("default graph attributes")
+print(X.graph)
+print("node node attributes")
+print(X.nodes.data(True))

venv/share/doc/networkx-2.5/examples/pygraphviz/plot_pygraphviz_draw.py

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+"""
+===============
+Pygraphviz Draw
+===============
+
+An example showing how to use the interface to the pygraphviz
+AGraph class to draw a graph.
+
+Also see the pygraphviz documentation and examples at
+http://pygraphviz.github.io/
+"""
+
+import networkx as nx
+
+# plain graph
+G = nx.complete_graph(5)  # start with K5 in networkx
+A = nx.nx_agraph.to_agraph(G)  # convert to a graphviz graph
+A.layout()  # neato layout
+A.draw("k5.ps")  # write postscript in k5.ps with neato layout

venv/share/doc/networkx-2.5/examples/pygraphviz/plot_pygraphviz_simple.py

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+"""
+=================
+Pygraphviz Simple
+=================
+
+An example showing how to use the interface to the pygraphviz
+AGraph class to convert to and from graphviz.
+
+Also see the pygraphviz documentation and examples at
+http://pygraphviz.github.io/
+"""
+
+import networkx as nx
+
+# plain graph
+G = nx.complete_graph(5)  # start with K5 in networkx
+A = nx.nx_agraph.to_agraph(G)  # convert to a graphviz graph
+X1 = nx.nx_agraph.from_agraph(A)  # convert back to networkx (but as Graph)
+X2 = nx.Graph(A)  # fancy way to do conversion
+G1 = nx.Graph(X1)  # now make it a Graph
+
+A.write("k5.dot")  # write to dot file
+X3 = nx.nx_agraph.read_dot("k5.dot")  # read from dotfile

venv/share/doc/networkx-2.5/examples/pygraphviz/plot_write_dotfile.py

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+"""
+=============
+Write Dotfile
+=============
+
+
+Write a dot file from a networkx graph for further processing with graphviz.
+
+You need to have either pygraphviz or pydot for this example.
+
+See https://networkx.github.io/documentation/latest/reference/drawing.html
+"""
+
+import networkx as nx
+
+# This example needs Graphviz and either PyGraphviz or pydot.
+# from networkx.drawing.nx_pydot import write_dot
+from networkx.drawing.nx_agraph import write_dot
+
+
+G = nx.grid_2d_graph(5, 5)  # 5x5 grid
+write_dot(G, "grid.dot")
+print("Now run: neato -Tps grid.dot >grid.ps")