DOC: Update variables a and b to names consistent with comment documentation pandas-dev#60366

Author: mingjji

pandas/core/computation/eval.py

@@ -371,10 +371,12 @@ def eval(
                 is_extension_array_dtype(parsed_expr.terms.return_type)
                 and not is_string_dtype(parsed_expr.terms.return_type)
             )
-            or getattr(parsed_expr.terms, "operand_types", None) is not None
-            and any(
-                (is_extension_array_dtype(elem) and not is_string_dtype(elem))
-                for elem in parsed_expr.terms.operand_types
+            or (
+                getattr(parsed_expr.terms, "operand_types", None) is not None
+                and any(
+                    (is_extension_array_dtype(elem) and not is_string_dtype(elem))
+                    for elem in parsed_expr.terms.operand_types
+                )
             )
         ):
             warnings.warn(

pandas/core/computation/expr.py

@@ -512,8 +512,7 @@ def _maybe_evaluate_binop(
             )
 
         if self.engine != "pytables" and (
-            res.op in CMP_OPS_SYMS
-            and getattr(lhs, "is_datetime", False)
+            (res.op in CMP_OPS_SYMS and getattr(lhs, "is_datetime", False))
             or getattr(rhs, "is_datetime", False)
         ):
             # all date ops must be done in python bc numexpr doesn't work

pandas/core/computation/expressions.py

@@ -185,7 +185,7 @@ def _where_numexpr(cond, left_op, right_op):
             local_dict={
                 "cond_value": cond,
                 "left_value": left_op,
-                "right_value": right_op
+                "right_value": right_op,
             },
             casting="safe",
         )
@@ -261,9 +261,11 @@ def where(cond, left_op, right_op, use_numexpr: bool = True):
         Whether to try to use numexpr.
     """
     assert _where is not None
-    return (_where(cond, left_op, right_op)
-            if use_numexpr
-            else _where_standard(cond, left_op, right_op))
+    return (
+        _where(cond, left_op, right_op)
+        if use_numexpr
+        else _where_standard(cond, left_op, right_op)
+    )
 
 
 def set_test_mode(v: bool = True) -> None:

pandas/core/computation/pytables.py

@@ -408,11 +408,12 @@ def prune(self, klass):
         operand = operand.prune(klass)
 
         if operand is not None and (
-            issubclass(klass, ConditionBinOp)
-            and operand.condition is not None
-            or not issubclass(klass, ConditionBinOp)
-            and issubclass(klass, FilterBinOp)
-            and operand.filter is not None
+            (issubclass(klass, ConditionBinOp) and operand.condition is not None)
+            or (
+                not issubclass(klass, ConditionBinOp)
+                and issubclass(klass, FilterBinOp)
+                and operand.filter is not None
+            )
         ):
             return operand.invert()
         return None

pandas/core/computation/scope.py

@@ -140,7 +140,7 @@ class Scope:
     temps : dict
     """
 
-    __slots__ = ["level", "scope", "target", "resolvers", "temps"]
+    __slots__ = ["level", "resolvers", "scope", "target", "temps"]
     level: int
     scope: DeepChainMap
     resolvers: DeepChainMap