Update jupyter_sphinx/execute.py

Co-Authored-By: Joseph Weston <[email protected]>

Author: seanpue

jupyter_sphinx/execute.py

@@ -410,7 +410,7 @@ def apply(self):
                     source["linenos"] = True
                 # Advance linenostart or reset it
                 if node["continue_linenos"] or node["linenos"]:
-                    linenostart += len(source.rawsource.split("\n"))
+                    linenostart += source.rawsource.count("\n") + 1
                 else:
                     linenostart = 1