resolve conflicts

src/crewai/knowledge/source/base_file_knowledge_source.py

@@ -71,29 +71,28 @@ class BaseFileKnowledgeSource(BaseKnowledgeSource, ABC):
     def _process_file_paths(self) -> List[Path]:
         """Convert file_path to a list of Path objects."""
 
+        # Check if old file_path is being used
         if hasattr(self, "file_path") and self.file_path is not None:
             self._logger.log(
                 "warning",
                 "The 'file_path' attribute is deprecated and will be removed in a future version. Please use 'file_paths' instead.",
                 color="yellow",
             )
-            self.file_paths = self.file_path
-
-        if self.file_paths is None:
-            raise ValueError("Your source must be provided with a file_paths: []")
-
-        # Convert single path to list
-        path_list: List[Union[Path, str]] = (
-            [self.file_paths]
-            if isinstance(self.file_paths, (str, Path))
-            else list(self.file_paths)
-            if isinstance(self.file_paths, list)
-            else []
-        )
-
-        if not path_list:
-            raise ValueError(
-                "file_path/file_paths must be a Path, str, or a list of these types"
+            paths = (
+                [self.file_path]
+                if isinstance(self.file_path, (str, Path))
+                else self.file_path
             )
+        else:
+            if self.file_paths is None:
+                raise ValueError("Your source must be provided with a file_paths: []")
+            elif isinstance(self.file_paths, list) and len(self.file_paths) == 0:
+                raise ValueError("Empty file_paths are not allowed")
+            else:
+                paths = (
+                    [self.file_paths]
+                    if isinstance(self.file_paths, (str, Path))
+                    else self.file_paths
+                )
 
-        return [self.convert_to_path(path) for path in path_list]
+        return [self.convert_to_path(path) for path in paths]