Simplify syzygy.Table.init_mmap()

niklasf · Jan 7, 2023 · 3fd1188 · 3fd1188
1 parent 9cb8d3b
commit 3fd1188
Showing 1 changed file with 1 addition and 7 deletions.
diff --git a/chess/syzygy.py b/chess/syzygy.py
@@ -601,13 +601,7 @@ def __init__(self, path: str, *, variant: Type[chess.Board] = chess.Board) -> No
                         self.enc_type = 1 + j
 
     def init_mmap(self) -> None:
-        if self.data is not None:
-            return
-
-        with self.write_lock:
-            if self.data is not None:
-                return
-
+        if self.data is None:
             fd = os.open(self.path, os.O_RDONLY | os.O_BINARY if hasattr(os, "O_BINARY") else os.O_RDONLY)
             try:
                 data = mmap.mmap(fd, 0, access=mmap.ACCESS_READ)