Simplify condition

Author: kwankyu

jupyter_sphinx/execute.py

@@ -153,13 +153,13 @@ def apply(self):
                 file_name = next(default_names)
 
             # Save time when jupyter notebook execution is not necessary
-            if not any(not "execute" in node or node["execute"] for node in nodes):
+            if all("execute" in node and not node["execute"] for node in nodes):
                 notebook = blank_nb(kernel_name)
                 try:
                     cm_language = notebook.metadata.language_info.codemirror_mode.name
                 except AttributeError:
                     cm_language = notebook.metadata.kernelspec.language
-                # Mimics empty cell output for each node
+                # Mimic empty cell output for each node
                 for node in nodes:
                     source = node.children[0]
                     source.attributes["classes"].append("code_cell")