src/sage/graphs/graph_generators.py: Add missing space in command line

sagemath · Mar 8, 2022 · 9107e2c · 9107e2c
1 parent d0e2179
commit 9107e2c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/sage/graphs/graph_generators.py b/src/sage/graphs/graph_generators.py
@@ -1384,7 +1384,7 @@ def fusenes(self, hexagon_count, benzenoids=False):
 
         import shlex
         command = shlex.quote(Benzene().absolute_filename())
-        command += ('b' if benzenoids else '') + ' {0} p'.format(hexagon_count)
+        command += (' b' if benzenoids else '') + ' {0} p'.format(hexagon_count)
 
         sp = subprocess.Popen(command, shell=True,
                               stdin=subprocess.PIPE, stdout=subprocess.PIPE,