diff --git a/src/pymcnp/files/inp/inp.py b/src/pymcnp/files/inp/inp.py
index 258e478..2648c36 100644
--- a/src/pymcnp/files/inp/inp.py
+++ b/src/pymcnp/files/inp/inp.py
@@ -37,9 +37,9 @@ def __init__(self):
 
         self.message: str = None
         self.title: str = None
-        self.cells: cells.Cells = Cells()
-        self.surfaces: surfaces.Surfaces = Surfaces()
-        self.data: data.Data = Data()
+        self.cells: cells.Cells = cells.Cells()
+        self.surfaces: surfaces.Surfaces = surfaces.Surfaces()
+        self.data: data.Data = data.Data()
         self.other: str = None
 
     def set_message(self, message: str) -> None:
diff --git a/src/pymcnp/main.py b/src/pymcnp/main.py
index 9f84057..eece77d 100644
--- a/src/pymcnp/main.py
+++ b/src/pymcnp/main.py
@@ -46,7 +46,7 @@ def main(argv: list[str] = sys.argv[1:]) -> None:
         case None:
             print(PYMCNP_TITLE)
         case _:
-            cli._io.error(_io.ERROR_UNRECOGNIZED_ARGS)
+            cli._io.error(cli._io.ERROR_UNRECOGNIZED_ARGS)
 
 
 if __name__ == "__main__":