diff --git a/docs/_renderer.py b/docs/_renderer.py
index 79cd5c146402..d50819eac694 100644
--- a/docs/_renderer.py
+++ b/docs/_renderer.py
@@ -61,9 +61,9 @@ def render(self, el: qd.ast.ExampleCode) -> str:
                 if expect_failure in first or any(
                     expect_failure in line for line in rest
                 ):
-                    assert (
-                        start and end
-                    ), "expected failure should never occur alongside a skipped doctest example"
+                    assert start and end, (
+                        "expected failure should never occur alongside a skipped doctest example"
+                    )
                     result.append("#| error: true")
 
                 # remove the quartodoc markers from the rendered code
diff --git a/ibis/backends/clickhouse/tests/test_client.py b/ibis/backends/clickhouse/tests/test_client.py
index 5cef7b9e3630..723ed0b6afc7 100644
--- a/ibis/backends/clickhouse/tests/test_client.py
+++ b/ibis/backends/clickhouse/tests/test_client.py
@@ -369,7 +369,7 @@ def test_create_table_no_syntax_error(con):
 
 
 def test_password_with_bracket():
-    password = f'{os.environ.get("IBIS_TEST_CLICKHOUSE_PASSWORD", "")}[]'
+    password = f"{os.environ.get('IBIS_TEST_CLICKHOUSE_PASSWORD', '')}[]"
     quoted_pass = quote_plus(password)
     host = os.environ.get("IBIS_TEST_CLICKHOUSE_HOST", "localhost")
     user = os.environ.get("IBIS_TEST_CLICKHOUSE_USER", "default")
diff --git a/ibis/backends/duckdb/tests/conftest.py b/ibis/backends/duckdb/tests/conftest.py
index d398b550f199..629cfee2c9d1 100644
--- a/ibis/backends/duckdb/tests/conftest.py
+++ b/ibis/backends/duckdb/tests/conftest.py
@@ -66,7 +66,7 @@ def ddl_script(self) -> Iterator[str]:
             yield (
                 f"""
                 CREATE OR REPLACE TABLE {table} AS
-                SELECT * FROM read_parquet('{parquet_dir / f'{table}.parquet'}')
+                SELECT * FROM read_parquet('{parquet_dir / f"{table}.parquet"}')
                 """
             )
         if not SANDBOXED:
@@ -74,7 +74,7 @@ def ddl_script(self) -> Iterator[str]:
                 yield (
                     f"""
                     CREATE OR REPLACE TABLE {table} AS
-                    SELECT * FROM st_read('{geojson_dir / f'{table}.geojson'}')
+                    SELECT * FROM st_read('{geojson_dir / f"{table}.geojson"}')
                     """
                 )
             for table in TEST_TABLE_GEO_PARQUET:
@@ -82,7 +82,7 @@ def ddl_script(self) -> Iterator[str]:
                 yield (
                     f"""
                 CREATE OR REPLACE TABLE {table} AS
-                SELECT * FROM read_parquet('{parquet_dir / f'{table}.parquet'}')
+                SELECT * FROM read_parquet('{parquet_dir / f"{table}.parquet"}')
                 """
                 )
             yield (
diff --git a/ibis/backends/impala/__init__.py b/ibis/backends/impala/__init__.py
index aefa5840cafb..339fb08ab737 100644
--- a/ibis/backends/impala/__init__.py
+++ b/ibis/backends/impala/__init__.py
@@ -341,8 +341,7 @@ def drop_database(self, name, force=False):
                 )
         elif tables or udfs or udas:
             raise com.IntegrityError(
-                f"Database {name} must be empty before "
-                "being dropped, or set force=True"
+                f"Database {name} must be empty before being dropped, or set force=True"
             )
         statement = ddl.DropDatabase(name, must_exist=not force)
         self._safe_exec_sql(statement)
diff --git a/ibis/backends/impala/tests/test_ddl.py b/ibis/backends/impala/tests/test_ddl.py
index fc168b53f691..a89609d6a4a6 100644
--- a/ibis/backends/impala/tests/test_ddl.py
+++ b/ibis/backends/impala/tests/test_ddl.py
@@ -15,11 +15,11 @@
 
 pytest.importorskip("impala")
 
-from impala.error import HiveServer2Error  # noqa: E402
+from impala.error import HiveServer2Error
 
 
 @pytest.fixture
-def temp_view(con) -> str:
+def temp_view(con):
     name = util.gen_name("view")
     yield name
     con.drop_view(name, force=True)
diff --git a/ibis/backends/impala/tests/test_exprs.py b/ibis/backends/impala/tests/test_exprs.py
index f700ec5908be..0e8bf180ed81 100644
--- a/ibis/backends/impala/tests/test_exprs.py
+++ b/ibis/backends/impala/tests/test_exprs.py
@@ -148,9 +148,9 @@ def _check_impala_output_types_match(con, table):
     for n, left_ty, right_ty in zip(
         left_schema.names, left_schema.types, right_schema.types
     ):
-        assert (
-            left_ty == right_ty
-        ), f"Value for {n} had left type {left_ty} and right type {right_ty}\nquery:\n{query}"
+        assert left_ty == right_ty, (
+            f"Value for {n} had left type {left_ty} and right type {right_ty}\nquery:\n{query}"
+        )
 
 
 @pytest.mark.parametrize(
diff --git a/ibis/backends/impala/tests/test_parquet_ddl.py b/ibis/backends/impala/tests/test_parquet_ddl.py
index c67fe383d16e..0494e8254b4f 100644
--- a/ibis/backends/impala/tests/test_parquet_ddl.py
+++ b/ibis/backends/impala/tests/test_parquet_ddl.py
@@ -9,7 +9,7 @@
 
 pytest.importorskip("impala")
 
-from impala.error import HiveServer2Error  # noqa: E402
+from impala.error import HiveServer2Error
 
 
 def test_parquet_file_with_name(con, test_data_dir, temp_table):
diff --git a/ibis/backends/impala/tests/test_partition.py b/ibis/backends/impala/tests/test_partition.py
index ab6ff1673b25..2b40603e7664 100644
--- a/ibis/backends/impala/tests/test_partition.py
+++ b/ibis/backends/impala/tests/test_partition.py
@@ -10,7 +10,7 @@
 
 pytest.importorskip("impala")
 
-from impala.error import Error as ImpylaError  # noqa: E402
+from impala.error import Error as ImpylaError
 
 
 @pytest.fixture
diff --git a/ibis/backends/sql/compilers/base.py b/ibis/backends/sql/compilers/base.py
index 16741aaada48..a86e3013e359 100644
--- a/ibis/backends/sql/compilers/base.py
+++ b/ibis/backends/sql/compilers/base.py
@@ -205,9 +205,9 @@ def array(self, *args: Any) -> sge.Array:
         first, *rest = args
 
         if isinstance(first, sge.Select):
-            assert (
-                not rest
-            ), "only one argument allowed when `first` is a select statement"
+            assert not rest, (
+                "only one argument allowed when `first` is a select statement"
+            )
 
         return sge.Array(expressions=list(map(sge.convert, (first, *rest))))
 
diff --git a/ibis/backends/sql/compilers/bigquery/udf/core.py b/ibis/backends/sql/compilers/bigquery/udf/core.py
index ead41cfa8cc4..7db3af33efd9 100644
--- a/ibis/backends/sql/compilers/bigquery/udf/core.py
+++ b/ibis/backends/sql/compilers/bigquery/udf/core.py
@@ -283,9 +283,9 @@ def visit_NameConstant(self, node):
             return "true"
         elif value is False:
             return "false"
-        assert (
-            value is None
-        ), f"value is not True and is not False, must be None, got {value}"
+        assert value is None, (
+            f"value is not True and is not False, must be None, got {value}"
+        )
         return "null"
 
     def visit_Str(self, node):
diff --git a/ibis/backends/sql/compilers/pyspark.py b/ibis/backends/sql/compilers/pyspark.py
index e718a9a39924..3c3bef5a1d72 100644
--- a/ibis/backends/sql/compilers/pyspark.py
+++ b/ibis/backends/sql/compilers/pyspark.py
@@ -251,8 +251,7 @@ def visit_LastValue(self, op, *, arg):
     def visit_First(self, op, *, arg, where, order_by, include_null):
         if where is not None and include_null:
             raise com.UnsupportedOperationError(
-                "Combining `include_null=True` and `where` is not supported "
-                "by pyspark"
+                "Combining `include_null=True` and `where` is not supported by pyspark"
             )
         out = self.agg.first(arg, where=where, order_by=order_by)
         if not include_null:
@@ -262,8 +261,7 @@ def visit_First(self, op, *, arg, where, order_by, include_null):
     def visit_Last(self, op, *, arg, where, order_by, include_null):
         if where is not None and include_null:
             raise com.UnsupportedOperationError(
-                "Combining `include_null=True` and `where` is not supported "
-                "by pyspark"
+                "Combining `include_null=True` and `where` is not supported by pyspark"
             )
         out = self.agg.last(arg, where=where, order_by=order_by)
         if not include_null:
diff --git a/ibis/backends/sql/compilers/snowflake.py b/ibis/backends/sql/compilers/snowflake.py
index aa48a01ad115..7cdc980752fe 100644
--- a/ibis/backends/sql/compilers/snowflake.py
+++ b/ibis/backends/sql/compilers/snowflake.py
@@ -847,9 +847,9 @@ def visit_ArrayFilter(self, op, *, arg, param, body, index):
         )
 
     def visit_JoinLink(self, op, *, how, table, predicates):
-        assert (
-            predicates or how == "cross"
-        ), "expected non-empty predicates when not a cross join"
+        assert predicates or how == "cross", (
+            "expected non-empty predicates when not a cross join"
+        )
 
         if how == "asof":
             # the asof join match condition is always the first predicate by
diff --git a/ibis/backends/sql/datatypes.py b/ibis/backends/sql/datatypes.py
index 74fab33da25b..4e11b9f25954 100644
--- a/ibis/backends/sql/datatypes.py
+++ b/ibis/backends/sql/datatypes.py
@@ -629,9 +629,9 @@ def _from_sqlglot_TIMESTAMP_NS(cls, nullable: bool | None = None) -> dt.Timestam
 
     @classmethod
     def _from_ibis_GeoSpatial(cls, dtype: dt.GeoSpatial):
-        assert (
-            dtype.geotype == "geometry"
-        ), "DuckDB only supports geometry types; geography types are not supported"
+        assert dtype.geotype == "geometry", (
+            "DuckDB only supports geometry types; geography types are not supported"
+        )
         return sge.DataType(this=typecode.GEOMETRY)
 
     _from_ibis_Point = _from_ibis_LineString = _from_ibis_Polygon = (
diff --git a/ibis/backends/tests/test_vectorized_udf.py b/ibis/backends/tests/test_vectorized_udf.py
index cbcfce905c1e..1e78418ddddf 100644
--- a/ibis/backends/tests/test_vectorized_udf.py
+++ b/ibis/backends/tests/test_vectorized_udf.py
@@ -277,9 +277,9 @@ def test_elementwise_udf(udf_backend, udf_alltypes, udf_df, udf):
     result = expr.execute()
 
     expected_func = getattr(expr.op(), "__func__", getattr(udf, "func", None))
-    assert (
-        expected_func is not None
-    ), f"neither __func__ nor func attributes found on {udf} or expr object"
+    assert expected_func is not None, (
+        f"neither __func__ nor func attributes found on {udf} or expr object"
+    )
 
     expected = expected_func(udf_df["double_col"])
     udf_backend.assert_series_equal(result, expected, check_names=False)
@@ -292,9 +292,9 @@ def test_elementwise_udf_mutate(udf_backend, udf_alltypes, udf_df, udf):
     result = expr.execute()
 
     expected_func = getattr(udf_expr.op(), "__func__", getattr(udf, "func", None))
-    assert (
-        expected_func is not None
-    ), f"neither __func__ nor func attributes found on {udf} or expr object"
+    assert expected_func is not None, (
+        f"neither __func__ nor func attributes found on {udf} or expr object"
+    )
 
     expected = udf_df.assign(incremented=expected_func(udf_df["double_col"]))
     udf_backend.assert_series_equal(result["incremented"], expected["incremented"])
diff --git a/ibis/backends/tests/tpc/conftest.py b/ibis/backends/tests/tpc/conftest.py
index eb7d86c8e620..b31f2e2e84cf 100644
--- a/ibis/backends/tests/tpc/conftest.py
+++ b/ibis/backends/tests/tpc/conftest.py
@@ -31,9 +31,9 @@ def pytest_pyfunc_call(pyfuncitem):
         testargs["backend"] = backend
 
     result = testfunction(**testargs)
-    assert (
-        result is None
-    ), "test function should not return anything, did you mean to use assert?"
+    assert result is None, (
+        "test function should not return anything, did you mean to use assert?"
+    )
     return True
 
 
diff --git a/ibis/expr/datatypes/core.py b/ibis/expr/datatypes/core.py
index e66464663c73..ab21f8036bce 100644
--- a/ibis/expr/datatypes/core.py
+++ b/ibis/expr/datatypes/core.py
@@ -785,8 +785,7 @@ def __init__(
         if precision is not None:
             if not isinstance(precision, numbers.Integral):
                 raise TypeError(
-                    "Decimal type precision must be an integer; "
-                    f"got {type(precision)}"
+                    f"Decimal type precision must be an integer; got {type(precision)}"
                 )
             if precision < 0:
                 raise ValueError("Decimal type precision cannot be negative")
diff --git a/ibis/expr/datatypes/tests/test_value.py b/ibis/expr/datatypes/tests/test_value.py
index 72d857bff7c2..5206ce30c3f3 100644
--- a/ibis/expr/datatypes/tests/test_value.py
+++ b/ibis/expr/datatypes/tests/test_value.py
@@ -45,7 +45,7 @@ class Foo(enum.Enum):
         (-32769, dt.int32),
         (-2147483649, dt.int64),
         (1.5, dt.double),
-        (decimal.Decimal(1.5), dt.decimal),
+        (decimal.Decimal("1.5"), dt.decimal),
         # parametric types
         (list("abc"), dt.Array(dt.string)),
         (set("abc"), dt.Array(dt.string)),
diff --git a/ibis/expr/types/generic.py b/ibis/expr/types/generic.py
index e741948a0b7e..6805228d81d2 100644
--- a/ibis/expr/types/generic.py
+++ b/ibis/expr/types/generic.py
@@ -1526,9 +1526,9 @@ def __pandas_result__(
         if data_mapper is None:
             from ibis.formats.pandas import PandasData as data_mapper
 
-        assert (
-            len(df.columns) == 1
-        ), "more than one column when converting columnar result DataFrame to Series"
+        assert len(df.columns) == 1, (
+            "more than one column when converting columnar result DataFrame to Series"
+        )
         # in theory we could use df.iloc[:, 0], but there seems to be a bug in
         # older geopandas where df.iloc[:, 0] doesn't return the same kind of
         # object as df.loc[:, column_name] when df is a GeoDataFrame
diff --git a/ibis/expr/types/relations.py b/ibis/expr/types/relations.py
index c95c6f4d4723..045273fdee83 100644
--- a/ibis/expr/types/relations.py
+++ b/ibis/expr/types/relations.py
@@ -2958,7 +2958,7 @@ def describe(
             col_max = lit(None).cast(float)
             col_mode = lit(None).cast(str)
             quantile_values = {
-                f"p{100*q:.6f}".rstrip("0").rstrip("."): lit(None).cast(float)
+                f"p{100 * q:.6f}".rstrip("0").rstrip("."): lit(None).cast(float)
                 for q in quantile
             }
 
@@ -2969,7 +2969,9 @@ def describe(
                 col_min = col.min().cast(float)
                 col_max = col.max().cast(float)
                 quantile_values = {
-                    f"p{100*q:.6f}".rstrip("0").rstrip("."): col.quantile(q).cast(float)
+                    f"p{100 * q:.6f}".rstrip("0").rstrip("."): col.quantile(q).cast(
+                        float
+                    )
                     for q in quantile
                 }
             elif typ.is_string():
diff --git a/ibis/expr/types/strings.py b/ibis/expr/types/strings.py
index 1d54913d1be6..54e5f3d4aec4 100644
--- a/ibis/expr/types/strings.py
+++ b/ibis/expr/types/strings.py
@@ -98,12 +98,11 @@ def __getitem__(self, key: slice | int | ir.IntegerScalar) -> StringValue:
                 raise ValueError("Step can only be 1")
             if start is not None and not isinstance(start, ir.Expr) and start < 0:
                 raise ValueError(
-                    "Negative slicing not yet supported, got start value "
-                    f"of {start:d}"
+                    f"Negative slicing not yet supported, got start value of {start:d}"
                 )
             if stop is not None and not isinstance(stop, ir.Expr) and stop < 0:
                 raise ValueError(
-                    "Negative slicing not yet supported, got stop value " f"of {stop:d}"
+                    f"Negative slicing not yet supported, got stop value of {stop:d}"
                 )
             if start is None and stop is None:
                 return self
diff --git a/ibis/tests/expr/test_pretty_repr.py b/ibis/tests/expr/test_pretty_repr.py
index c39ccc6ca184..f2e22f593f11 100644
--- a/ibis/tests/expr/test_pretty_repr.py
+++ b/ibis/tests/expr/test_pretty_repr.py
@@ -10,7 +10,7 @@
 
 pytest.importorskip("rich")
 
-from ibis.expr.types.pretty import format_column, format_values  # noqa: E402
+from ibis.expr.types.pretty import format_column, format_values
 
 pd = pytest.importorskip("pandas")