chore: dedup files

lib/crewai/src/crewai/agent/core.py

@@ -308,6 +308,7 @@ class Agent(BaseAgent):
         if not self.skills and not crew_skills:
             return
 
+        seen: set[str] = set()
         resolved: list[Path | SkillModel] = []
         items: list[Path | SkillModel] = list(self.skills) if self.skills else []
 
@@ -317,9 +318,14 @@ class Agent(BaseAgent):
         for item in items:
             if isinstance(item, Path):
                 discovered = discover_skills(item, source=self)
-                resolved.extend(activate_skill(s, source=self) for s in discovered)
+                for skill in discovered:
+                    if skill.name not in seen:
+                        seen.add(skill.name)
+                        resolved.append(activate_skill(skill, source=self))
             elif isinstance(item, SkillModel):
-                resolved.append(item)
+                if item.name not in seen:
+                    seen.add(item.name)
+                    resolved.append(item)
 
         self.skills = resolved if resolved else None
 

lib/crewai/tests/skills/test_loader.py

@@ -2,6 +2,8 @@
 
 from pathlib import Path
 
+import pytest
+
 from crewai.skills.loader import (
     activate_skill,
     discover_skills,
@@ -54,8 +56,8 @@ class TestDiscoverSkills:
         assert skills == []
 
     def test_nonexistent_path(self, tmp_path: Path) -> None:
-        skills = discover_skills(tmp_path / "nonexistent")
-        assert skills == []
+        with pytest.raises(FileNotFoundError):
+            discover_skills(tmp_path / "nonexistent")
 
     def test_sorted_by_name(self, tmp_path: Path) -> None:
         _create_skill_dir(tmp_path, "zebra")