STYLE: fix pylint simplifiable-if-statement warnings (pandas-dev#49323)

* STYLE: fix pylint simplifiable-if-statement warnings

* fixup! STYLE: fix pylint simplifiable-if-statement warnings

Author: Moisan

pandas/core/dtypes/dtypes.py

@@ -986,10 +986,7 @@ def is_dtype(cls, dtype: object) -> bool:
             # but doesn't regard freq str like "U" as dtype.
             if dtype.startswith("period[") or dtype.startswith("Period["):
                 try:
-                    if cls._parse_dtype_strict(dtype) is not None:
-                        return True
-                    else:
-                        return False
+                    return cls._parse_dtype_strict(dtype) is not None
                 except ValueError:
                     return False
             else:
@@ -1254,10 +1251,7 @@ def is_dtype(cls, dtype: object) -> bool:
         if isinstance(dtype, str):
             if dtype.lower().startswith("interval"):
                 try:
-                    if cls.construct_from_string(dtype) is not None:
-                        return True
-                    else:
-                        return False
+                    return cls.construct_from_string(dtype) is not None
                 except (ValueError, TypeError):
                     return False
             else:

pandas/io/formats/info.py

@@ -500,10 +500,7 @@ def non_null_counts(self) -> Sequence[int]:
 
     @property
     def memory_usage_bytes(self) -> int:
-        if self.memory_usage == "deep":
-            deep = True
-        else:
-            deep = False
+        deep = self.memory_usage == "deep"
         return self.data.memory_usage(index=True, deep=deep).sum()
 
     def render(
@@ -579,10 +576,7 @@ def memory_usage_bytes(self) -> int:
         memory_usage_bytes : int
             Object's total memory usage in bytes.
         """
-        if self.memory_usage == "deep":
-            deep = True
-        else:
-            deep = False
+        deep = self.memory_usage == "deep"
         return self.data.memory_usage(index=True, deep=deep)
 
 

pandas/tests/tseries/offsets/test_week.py

@@ -114,11 +114,7 @@ def test_is_on_offset(self, weekday):
 
         for day in range(1, 8):
             date = datetime(2008, 1, day)
-
-            if day % 7 == weekday:
-                expected = True
-            else:
-                expected = False
+            expected = day % 7 == weekday
         assert_is_on_offset(offset, date, expected)
 
     @pytest.mark.parametrize(

pyproject.toml

@@ -125,7 +125,6 @@ disable = [
   "no-self-use",
   "redefined-argument-from-local",
   "simplifiable-if-expression",
-  "simplifiable-if-statement",
   "too-few-public-methods",
   "too-many-ancestors",
   "too-many-arguments",