minor changes

Author: florian-huber

ms2query/database/ann_vector_index.py

@@ -88,7 +88,7 @@ def _umap_from_precomputed_knn(
     n_components: int = 2,
     min_dist: float = 0.1,
     spread: float = 1.0,
-    random_state: int = 42,
+    random_state: int = None,
     n_epochs: Optional[int] = None,
     negative_sample_rate: int = 5,
     verbose: bool = False,
@@ -512,11 +512,11 @@ def _normalize_query(self, query_fp) -> sp.csr_matrix:
     def compute_dr_coordinates(
         self,
         *,
-        n_neighbors: int = 15,
+        n_neighbors: int = 25,
         n_components: int = 2,
-        min_dist: float = 0.1,
+        min_dist: float = 0.2,
         spread: float = 1.0,
-        random_state: int = 42,
+        random_state: int = None,
         n_epochs: Optional[int] = None,
         negative_sample_rate: int = 5,
         ef: Optional[int] = None,
@@ -650,4 +650,4 @@ def _build_where_clause(where_sql: Optional[str]) -> str:
 def _count_rows(cursor: sqlite3.Cursor, table: str, where_clause: str) -> int:
     """Count rows in table with optional WHERE clause."""
     cursor.execute(f"SELECT COUNT(1) FROM {table} {where_clause}")
-    return int(cursor.fetchone()[0])
+    return int(cursor.fetchone()[0])