diff --git a/src/pynguin/analyses/controlflow.py b/src/pynguin/analyses/controlflow.py
index ebe10b1a..88b9ce28 100644
--- a/src/pynguin/analyses/controlflow.py
+++ b/src/pynguin/analyses/controlflow.py
@@ -200,10 +200,7 @@ def get_predecessors(self, node: N) -> set[N]:
         Returns:
             A set of direct predecessors of the node
         """
-        predecessors: set[N] = set()
-        for predecessor in self._graph.predecessors(node):
-            predecessors.add(predecessor)
-        return predecessors
+        return set(self._graph.predecessors(node))
 
     def get_successors(self, node: N) -> set[N]:
         """Provides a set of all direct successors of a node.
@@ -214,10 +211,7 @@ def get_successors(self, node: N) -> set[N]:
         Returns:
             A set of direct successors of the node
         """
-        successors: set[N] = set()
-        for successor in self._graph.successors(node):
-            successors.add(successor)
-        return successors
+        return set(self._graph.successors(node))
 
     @property
     def nodes(self) -> set[N]:
diff --git a/src/pynguin/analyses/typesystem.py b/src/pynguin/analyses/typesystem.py
index ec19a064..eeb9f0b4 100644
--- a/src/pynguin/analyses/typesystem.py
+++ b/src/pynguin/analyses/typesystem.py
@@ -943,13 +943,7 @@ def _guess_generic_type_parameters_for_builtins(
                         InferredSignature._LIST_ELEMENT_FROM_ARGUMENT_TYPES_PATH,
                         argument_idx=0,
                     )
-                    args = (
-                        (
-                            guessed_element_type
-                            if guessed_element_type
-                            else guessed_type.args[0]
-                        ),
-                    )
+                    args = ((guessed_element_type or guessed_type.args[0]),)
                 case "builtins.set":
                     guessed_element_type = self._guess_generic_arguments(
                         knowledge,
@@ -959,13 +953,7 @@ def _guess_generic_type_parameters_for_builtins(
                         InferredSignature._SET_ELEMENT_FROM_ARGUMENT_TYPES_PATH,
                         argument_idx=0,
                     )
-                    args = (
-                        (
-                            guessed_element_type
-                            if guessed_element_type
-                            else guessed_type.args[0]
-                        ),
-                    )
+                    args = ((guessed_element_type or guessed_type.args[0]),)
                 case "builtins.dict":
                     guessed_key_type = self._guess_generic_arguments(
                         knowledge,
@@ -984,12 +972,8 @@ def _guess_generic_type_parameters_for_builtins(
                         argument_idx=1,
                     )
                     args = (
-                        guessed_key_type if guessed_key_type else guessed_type.args[0],
-                        (
-                            guessed_value_type
-                            if guessed_value_type
-                            else guessed_type.args[1]
-                        ),
+                        guessed_key_type or guessed_type.args[0],
+                        (guessed_value_type or guessed_type.args[1]),
                     )
             guessed_type = Instance(guessed_type.type, args)
         elif isinstance(guessed_type, TupleType):
@@ -1748,7 +1732,7 @@ def _fixup_known_generics(result: Instance) -> Instance:
             args = tuple(result.args)
             if len(result.args) < result.type.num_hardcoded_generic_parameters:
                 # Fill with AnyType if to small
-                args = args + (ANY,) * (
+                args += (ANY,) * (
                     result.type.num_hardcoded_generic_parameters - len(args)
                 )
             elif len(result.args) > result.type.num_hardcoded_generic_parameters:
diff --git a/src/pynguin/ga/computations.py b/src/pynguin/ga/computations.py
index a1dbc036..60f67fe3 100644
--- a/src/pynguin/ga/computations.py
+++ b/src/pynguin/ga/computations.py
@@ -440,17 +440,11 @@ def __init__(  # noqa: D107
         coverage_cache: dict[CoverageFunction, float] | None = None,
     ):
         self._chromosome = chromosome
-        self._fitness_functions = fitness_functions if fitness_functions else []
-        self._coverage_functions = coverage_functions if coverage_functions else []
-        self._fitness_cache: dict[FitnessFunction, float] = (
-            fitness_cache if fitness_cache else {}
-        )
-        self._is_covered_cache: dict[FitnessFunction, bool] = (
-            is_covered_cache if is_covered_cache else {}
-        )
-        self._coverage_cache: dict[CoverageFunction, float] = (
-            coverage_cache if coverage_cache else {}
-        )
+        self._fitness_functions = fitness_functions or []
+        self._coverage_functions = coverage_functions or []
+        self._fitness_cache: dict[FitnessFunction, float] = fitness_cache or {}
+        self._is_covered_cache: dict[FitnessFunction, bool] = is_covered_cache or {}
+        self._coverage_cache: dict[CoverageFunction, float] = coverage_cache or {}
 
     def clone(self, new_chromosome) -> ComputationCache:
         """Create a deep copy of this cache.
diff --git a/src/pynguin/slicer/executedinstruction.py b/src/pynguin/slicer/executedinstruction.py
index aeb5c000..420472a8 100644
--- a/src/pynguin/slicer/executedinstruction.py
+++ b/src/pynguin/slicer/executedinstruction.py
@@ -58,7 +58,7 @@ class ExecutedMemoryInstruction(ExecutedInstruction):
     object_creation: bool
 
     def __str__(self) -> str:
-        arg_address = self.arg_address if self.arg_address else -1
+        arg_address = self.arg_address or -1
         return (
             f"{'(mem)':<7} {self.file:<40} {opname[self.opcode]:<20} "
             f"{self.argument:<25} {hex(arg_address):<25} {self.code_object_id:02d}"
diff --git a/src/pynguin/slicer/executionflowbuilder.py b/src/pynguin/slicer/executionflowbuilder.py
index 615ebf22..8275be54 100644
--- a/src/pynguin/slicer/executionflowbuilder.py
+++ b/src/pynguin/slicer/executionflowbuilder.py
@@ -521,7 +521,7 @@ def _continue_at_last_basic_block(
         last_instr = None
 
         if efb_state.bb_id > 0:
-            efb_state.bb_id = efb_state.bb_id - 1
+            efb_state.bb_id -= 1
             last_instr = self._get_last_in_basic_block(efb_state.co_id, efb_state.bb_id)
             efb_state.offset -= 2
 
diff --git a/src/pynguin/testcase/statement.py b/src/pynguin/testcase/statement.py
index 166f9a58..be9a5946 100644
--- a/src/pynguin/testcase/statement.py
+++ b/src/pynguin/testcase/statement.py
@@ -1008,7 +1008,7 @@ def __init__(
             vr.CallBasedVariableReference(test_case, generic_callable),
         )
         self._generic_callable = generic_callable
-        self._args = args if args else {}
+        self._args = args or {}
 
     @property
     def args(self) -> dict[str, vr.VariableReference]: