Test work around for missing imports when the GitHub actions are running, part 2

src/basic_data_handling/string_nodes.py

@@ -1,5 +1,16 @@
 from inspect import cleandoc
-from comfy.comfy_types.node_typing import IO, ComfyNodeABC
+
+try:
+    from comfy.comfy_types.node_typing import IO, ComfyNodeABC
+except:
+    class IO:
+        BOOLEAN = "BOOLEAN"
+        INT = "INT"
+        FLOAT = "FLOAT"
+        STRING = "STRING"
+        NUMBER = "FLOAT,INT"
+        ANY = "*"
+    ComfyNodeABC = object
 
 class StringCapitalize(ComfyNodeABC):
     """Converts the first character of the input string to uppercase and all other characters to lowercase."""