fix: remove Self

Author: aschung01

promptfile/reader.py

@@ -118,7 +118,7 @@ def dump(self) -> str:
 
         return full_content
 
-    def deepcopy(self) -> Self:
+    def deepcopy(self) -> "PromptConfig":
         return copy.deepcopy(self)
 
 

setup.py

@@ -10,7 +10,7 @@
 
 setup(
     name="promptfile",
-    version="0.3.0",
+    version="0.3.1",
     packages=find_namespace_packages(),
     entry_points={},
     description="promptfile: language support for .prompt files",