Fix broken tests

freqtrade/resolvers/iresolver.py

@@ -204,8 +204,8 @@ class IResolver:
     def _build_rel_location(cls, directory: Path, entry: Path) -> str:
 
         builtin = cls.initial_search_path == directory
-        return f"<builtin>/{entry.relative_to(directory)}" if builtin else entry.relative_to(
-                    directory)
+        return f"<builtin>/{entry.relative_to(directory)}" if builtin else str(
+            entry.relative_to(directory))
 
     @classmethod
     def _search_all_objects(

freqtrade/resolvers/strategy_resolver.py

@@ -272,7 +272,7 @@ class StrategyResolver(IResolver):
     def build_search_paths(cls, config: Config, user_subdir: Optional[str] = None,
                            extra_dirs: List[str] = []) -> List[Path]:
 
-        if 'strategy_path' in config:
+        if 'strategy_path' in config and config['strategy_path'] not in extra_dirs:
             extra_dirs = [config['strategy_path']] + extra_dirs
         return super().build_search_paths(config, user_subdir, extra_dirs)