Update copyright

29 files changed, 29 insertions, 29 deletions

diff --git a/examples/advanced/plot_heavy_metal_umlaut.py b/examples/advanced/plot_heavy_metal_umlaut.py
index 70c66b6a..168e0513 100644
--- a/examples/advanced/plot_heavy_metal_umlaut.py
+++ b/examples/advanced/plot_heavy_metal_umlaut.py
@@ -12,7 +12,7 @@ https://en.wikipedia.org/wiki/Heavy_metal_umlaut
 """
 # Author: Aric Hagberg (hagberg@lanl.gov)
 
-#    Copyright (C) 2006-2018 by
+#    Copyright (C) 2006-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/algorithms/beam_search.py b/examples/algorithms/beam_search.py
index 211002b6..10ed8364 100644
--- a/examples/algorithms/beam_search.py
+++ b/examples/algorithms/beam_search.py
@@ -1,6 +1,6 @@
 # beam_search.py - progressive widening beam search
 #
-# Copyright 2016-2018 NetworkX developers.
+# Copyright 2016-2019 NetworkX developers.
 """
 ===========
 Beam Search
diff --git a/examples/algorithms/plot_krackhardt_centrality.py b/examples/algorithms/plot_krackhardt_centrality.py
index ff64373d..d1fd752e 100644
--- a/examples/algorithms/plot_krackhardt_centrality.py
+++ b/examples/algorithms/plot_krackhardt_centrality.py
@@ -10,7 +10,7 @@ Centrality measures of Krackhardt social network.
 # Date: 2005-05-12 14:33:11 -0600 (Thu, 12 May 2005)
 # Revision: 998
 
-#    Copyright (C) 2004-2018 by
+#    Copyright (C) 2004-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/algorithms/rcm.py b/examples/algorithms/rcm.py
index 30b2be02..3b342a13 100644
--- a/examples/algorithms/rcm.py
+++ b/examples/algorithms/rcm.py
@@ -9,7 +9,7 @@ The reverse Cuthill-McKee algorithm gives a sparse matrix ordering that
 reduces the matrix bandwidth.
 """
 
-# Copyright (C) 2011-2018 by
+# Copyright (C) 2011-2019 by
 # Author:    Aric Hagberg <aric.hagberg@gmail.com>
 # BSD License
 import networkx as nx
diff --git a/examples/basic/plot_properties.py b/examples/basic/plot_properties.py
index 7ee1d5c4..10044c76 100644
--- a/examples/basic/plot_properties.py
+++ b/examples/basic/plot_properties.py
@@ -6,7 +6,7 @@ Properties
 
 Compute some network properties for the lollipop graph.
 """
-#    Copyright (C) 2004-2018 by
+#    Copyright (C) 2004-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/basic/plot_read_write.py b/examples/basic/plot_read_write.py
index f94be540..52e16a2b 100644
--- a/examples/basic/plot_read_write.py
+++ b/examples/basic/plot_read_write.py
@@ -8,7 +8,7 @@ Read and write graphs.
 """
 # Author: Aric Hagberg (hagberg@lanl.gov)
 
-#    Copyright (C) 2004-2018 by
+#    Copyright (C) 2004-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/drawing/plot_atlas.py b/examples/drawing/plot_atlas.py
index 3de3ce05..53ceafb4 100644
--- a/examples/drawing/plot_atlas.py
+++ b/examples/drawing/plot_atlas.py
@@ -9,7 +9,7 @@ Atlas of all graphs of 6 nodes or less.
 """
 # Author: Aric Hagberg (hagberg@lanl.gov)
 
-#    Copyright (C) 2004-2018 by
+#    Copyright (C) 2004-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/drawing/plot_chess_masters.py b/examples/drawing/plot_chess_masters.py
index 278b4b15..01b86c84 100644
--- a/examples/drawing/plot_chess_masters.py
+++ b/examples/drawing/plot_chess_masters.py
@@ -26,7 +26,7 @@ The key statement in `chess_pgn_graph` below is::
 
 where `game_info` is a `dict` describing each game.
 """
-#    Copyright (C) 2006-2018 by
+#    Copyright (C) 2006-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/drawing/plot_four_grids.py b/examples/drawing/plot_four_grids.py
index 9123bb27..99a115de 100644
--- a/examples/drawing/plot_four_grids.py
+++ b/examples/drawing/plot_four_grids.py
@@ -9,7 +9,7 @@ You must have matplotlib for this to work.
 """
 # Author: Aric Hagberg (hagberg@lanl.gov)
 
-#    Copyright (C) 2004-2018
+#    Copyright (C) 2004-2019
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/drawing/plot_giant_component.py b/examples/drawing/plot_giant_component.py
index 82d05bf3..b51d4e0c 100644
--- a/examples/drawing/plot_giant_component.py
+++ b/examples/drawing/plot_giant_component.py
@@ -7,7 +7,7 @@ Giant Component
 This example illustrates the sudden appearance of a
 giant connected component in a binomial random graph.
 """
-#    Copyright (C) 2006-2018
+#    Copyright (C) 2006-2019
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/drawing/plot_knuth_miles.py b/examples/drawing/plot_knuth_miles.py
index f1ddc251..a88fbe33 100644
--- a/examples/drawing/plot_knuth_miles.py
+++ b/examples/drawing/plot_knuth_miles.py
@@ -22,7 +22,7 @@ References.
 """
 # Author: Aric Hagberg (hagberg@lanl.gov)
 
-#    Copyright (C) 2004-2018 by
+#    Copyright (C) 2004-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/drawing/plot_lanl_routes.py b/examples/drawing/plot_lanl_routes.py
index a3266753..29090337 100644
--- a/examples/drawing/plot_lanl_routes.py
+++ b/examples/drawing/plot_lanl_routes.py
@@ -11,7 +11,7 @@ This uses Graphviz for layout so you need PyGraphviz or pydot.
 """
 # Author: Aric Hagberg (hagberg@lanl.gov)
 
-#    Copyright (C) 2004-2018
+#    Copyright (C) 2004-2019
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/drawing/plot_sampson.py b/examples/drawing/plot_sampson.py
index 9cef98ad..a58c7188 100644
--- a/examples/drawing/plot_sampson.py
+++ b/examples/drawing/plot_sampson.py
@@ -11,7 +11,7 @@ Shows how to read data from a zip file and plot multiple frames.
 """
 # Author: Aric Hagberg (hagberg@lanl.gov)
 
-#    Copyright (C) 2010-2018 by
+#    Copyright (C) 2010-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/drawing/plot_unix_email.py b/examples/drawing/plot_unix_email.py
index 89adf586..792bd17c 100644
--- a/examples/drawing/plot_unix_email.py
+++ b/examples/drawing/plot_unix_email.py
@@ -19,7 +19,7 @@ https://raw.githubusercontent.com/networkx/networkx/master/examples/drawing/unix
 """
 # Author: Aric Hagberg (hagberg@lanl.gov)
 
-#    Copyright (C) 2005-2018 by
+#    Copyright (C) 2005-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/graph/atlas2.py b/examples/graph/atlas2.py
index 1c284cb5..f791aed7 100644
--- a/examples/graph/atlas2.py
+++ b/examples/graph/atlas2.py
@@ -10,7 +10,7 @@ Gn.dot where n=0,19.
 # Author: Aric Hagberg (hagberg@lanl.gov)
 # Date: 2005-05-19 14:23:02 -0600 (Thu, 19 May 2005)
 
-#    Copyright (C) 2006-2018 by
+#    Copyright (C) 2006-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/graph/expected_degree_sequence.py b/examples/graph/expected_degree_sequence.py
index c7e5d5e0..78b5bf90 100644
--- a/examples/graph/expected_degree_sequence.py
+++ b/examples/graph/expected_degree_sequence.py
@@ -8,7 +8,7 @@ Random graph from given degree sequence.
 """
 # Author: Aric Hagberg (hagberg@lanl.gov)
 
-#    Copyright (C) 2006-2018 by
+#    Copyright (C) 2006-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/graph/plot_degree_sequence.py b/examples/graph/plot_degree_sequence.py
index 72910a4e..a0143d94 100644
--- a/examples/graph/plot_degree_sequence.py
+++ b/examples/graph/plot_degree_sequence.py
@@ -10,7 +10,7 @@ Random graph from given degree sequence.
 # Date: 2004-11-03 08:11:09 -0700 (Wed, 03 Nov 2004)
 # Revision: 503
 
-#    Copyright (C) 2004-2018 by
+#    Copyright (C) 2004-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/graph/plot_erdos_renyi.py b/examples/graph/plot_erdos_renyi.py
index 91b9111e..8c8f5431 100644
--- a/examples/graph/plot_erdos_renyi.py
+++ b/examples/graph/plot_erdos_renyi.py
@@ -14,7 +14,7 @@ sometimes called the Erdős-Rényi graph.
 """
 # Author: Aric Hagberg (hagberg@lanl.gov)
 
-#    Copyright (C) 2004-2018 by
+#    Copyright (C) 2004-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/graph/plot_football.py b/examples/graph/plot_football.py
index 94baca08..6f09f8e7 100644
--- a/examples/graph/plot_football.py
+++ b/examples/graph/plot_football.py
@@ -14,7 +14,7 @@ http://www-personal.umich.edu/~mejn/netdata/football.zip
 """
 # Author: Aric Hagberg (hagberg@lanl.gov)
 
-#    Copyright (C) 2007-2018 by
+#    Copyright (C) 2007-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/graph/plot_napoleon_russian_campaign.py b/examples/graph/plot_napoleon_russian_campaign.py
index 0e48610c..44a6dfa1 100644
--- a/examples/graph/plot_napoleon_russian_campaign.py
+++ b/examples/graph/plot_napoleon_russian_campaign.py
@@ -10,7 +10,7 @@ http://www.math.yorku.ca/SCS/Gallery/minard/minard.txt
 """
 # Author: Aric Hagberg (hagberg@lanl.gov)
 
-#    Copyright (C) 2006-2018 by
+#    Copyright (C) 2006-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/graph/plot_roget.py b/examples/graph/plot_roget.py
index de66f53f..72cb795f 100644
--- a/examples/graph/plot_roget.py
+++ b/examples/graph/plot_roget.py
@@ -28,7 +28,7 @@ from __future__ import print_function
 # Authors: Brendt Wohlberg, Aric Hagberg (hagberg@lanl.gov)
 # Date: 2005-04-01 07:56:22 -0700 (Fri, 01 Apr 2005)
 
-#    Copyright (C) 2004-2018 by
+#    Copyright (C) 2004-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/graph/words.py b/examples/graph/words.py
index f3ff2573..61846624 100644
--- a/examples/graph/words.py
+++ b/examples/graph/words.py
@@ -21,7 +21,7 @@ References
 #          Brendt Wohlberg,
 #          hughdbrown@yahoo.com
 
-#    Copyright (C) 2004-2018 by
+#    Copyright (C) 2004-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/javascript/force.py b/examples/javascript/force.py
index f72dbf29..6fee8c17 100644
--- a/examples/javascript/force.py
+++ b/examples/javascript/force.py
@@ -7,7 +7,7 @@ Example of writing JSON format graph data and using the D3 Javascript library to
 """
 # Author: Aric Hagberg <aric.hagberg@gmail.com>
 
-#    Copyright (C) 2011-2018 by
+#    Copyright (C) 2011-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/pygraphviz/pygraphviz_attributes.py b/examples/pygraphviz/pygraphviz_attributes.py
index 4735c378..e1ad924f 100644
--- a/examples/pygraphviz/pygraphviz_attributes.py
+++ b/examples/pygraphviz/pygraphviz_attributes.py
@@ -12,7 +12,7 @@ http://pygraphviz.github.io/
 """
 # Author: Aric Hagberg (hagberg@lanl.gov)
 
-#    Copyright (C) 2006-2018 by
+#    Copyright (C) 2006-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/pygraphviz/pygraphviz_draw.py b/examples/pygraphviz/pygraphviz_draw.py
index 349a58de..cd8021e2 100644
--- a/examples/pygraphviz/pygraphviz_draw.py
+++ b/examples/pygraphviz/pygraphviz_draw.py
@@ -12,7 +12,7 @@ http://pygraphviz.github.io/
 """
 # Author: Aric Hagberg (hagberg@lanl.gov)
 
-#    Copyright (C) 2006-2018 by
+#    Copyright (C) 2006-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/pygraphviz/pygraphviz_simple.py b/examples/pygraphviz/pygraphviz_simple.py
index 0d6e9f29..7e0a93e8 100644
--- a/examples/pygraphviz/pygraphviz_simple.py
+++ b/examples/pygraphviz/pygraphviz_simple.py
@@ -12,7 +12,7 @@ http://pygraphviz.github.io/
 """
 # Author: Aric Hagberg (hagberg@lanl.gov)
 
-#    Copyright (C) 2006-2018 by
+#    Copyright (C) 2006-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/pygraphviz/write_dotfile.py b/examples/pygraphviz/write_dotfile.py
index 5f848a43..85b4fb23 100644
--- a/examples/pygraphviz/write_dotfile.py
+++ b/examples/pygraphviz/write_dotfile.py
@@ -15,7 +15,7 @@ for more info.
 """
 # Author: Aric Hagberg (hagberg@lanl.gov)
 
-#    Copyright (C) 2004-2018 by
+#    Copyright (C) 2004-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>
diff --git a/examples/subclass/plot_antigraph.py b/examples/subclass/plot_antigraph.py
index 4d94fac2..1b8eaa0f 100644
--- a/examples/subclass/plot_antigraph.py
+++ b/examples/subclass/plot_antigraph.py
@@ -17,7 +17,7 @@ algorithms.
 """
 # Author: Jordi Torrents <jtorrents@milnou.net>
 
-#    Copyright (C) 2015-2018 by
+#    Copyright (C) 2015-2019 by
 #    Jordi Torrents <jtorrents@milnou.net>
 #    All rights reserved.
 #    BSD license.
diff --git a/examples/subclass/plot_printgraph.py b/examples/subclass/plot_printgraph.py
index e3ff098a..a9ad473c 100644
--- a/examples/subclass/plot_printgraph.py
+++ b/examples/subclass/plot_printgraph.py
@@ -7,7 +7,7 @@ Example subclass of the Graph class.
 """
 # Author: Aric Hagberg (hagberg@lanl.gov)
 
-#    Copyright (C) 2004-2018 by
+#    Copyright (C) 2004-2019 by
 #    Aric Hagberg <hagberg@lanl.gov>
 #    Dan Schult <dschult@colgate.edu>
 #    Pieter Swart <swart@lanl.gov>