Apply ruff/flake8-simplify rule SIM103

SIM103 Return the condition directly

Author: DimitriPapadopoulos

src/zarr/core/indexing.py

@@ -138,9 +138,7 @@ def is_scalar(value: Any, dtype: np.dtype[Any]) -> bool:
         return True
     if hasattr(value, "shape") and value.shape == ():
         return True
-    if isinstance(value, tuple) and dtype.names and len(value) == len(dtype.names):
-        return True
-    return False
+    return isinstance(value, tuple) and dtype.names is not None and len(value) == len(dtype.names)
 
 
 def is_pure_fancy_indexing(selection: Any, ndim: int) -> bool:

src/zarr/store/zip.py

@@ -110,10 +110,7 @@ async def clear(self) -> None:
 
     async def empty(self) -> bool:
         with self._lock:
-            if self._zf.namelist():
-                return False
-            else:
-                return True
+            return not self._zf.namelist()
 
     def __str__(self) -> str:
         return f"zip://{self.path}"