Apply pre-commit fixes

Author: pre-commit-ci[bot]

src/blosc2/exceptions.py

@@ -1,8 +1,7 @@
-
 class MissingOperands(ValueError):
     def __init__(self, expr, missing_ops):
         self.expr = expr
         self.missing_ops = missing_ops
 
-        message = f"Lazy expression \"{expr}\" with missing operands: {missing_ops}"
+        message = f'Lazy expression "{expr}" with missing operands: {missing_ops}'
         super().__init__(message)