Merge pull request #71 from larsgrobe/master

Add fname to plot_network to specify output filename.

litstudy/network.py

@@ -40,7 +40,8 @@ def plot_network(
     controls=False,
     scale=1,
     iterations=1000,
-    gravity=1
+    gravity=1,
+    file_name="network.html"
 ):
     """Plot a `networkx.Graph` generated by one of the `build_X_graph`
     functions in this module. Plotting is done using the `pyvis` library.
@@ -53,6 +54,7 @@ def plot_network(
     :param max_node_size: The radius of the largest node.
     :param largest_component: Only plot the largest connected component of
                               the graph.
+    :param file_name: The name of the file where the plot will be saved.
     """
     isolates = list(nx.isolates(g))
     if isolates:
@@ -152,7 +154,7 @@ def plot_network(
         )
     )
 
-    return v.show("citation.html")
+    return v.show(file_name)
 
 
 def build_base_network(