diff --git a/src/ytdl_sub/config/overrides.py b/src/ytdl_sub/config/overrides.py
index e5d9974d..87fb45a1 100644
--- a/src/ytdl_sub/config/overrides.py
+++ b/src/ytdl_sub/config/overrides.py
@@ -1,4 +1,3 @@
-import copy
 from typing import Any
 from typing import Dict
 from typing import Optional
diff --git a/src/ytdl_sub/config/plugin/plugin_mapping.py b/src/ytdl_sub/config/plugin/plugin_mapping.py
index 110a154c..9643d6af 100644
--- a/src/ytdl_sub/config/plugin/plugin_mapping.py
+++ b/src/ytdl_sub/config/plugin/plugin_mapping.py
@@ -151,8 +151,9 @@ class PluginMapping:
             return [
                 plugin for plugin in ordered_plugins if not cls._is_modified_after_split(plugin)
             ]
-        else:  # before_split is False
-            return [plugin for plugin in ordered_plugins if cls._is_modified_after_split(plugin)]
+
+        # before_split is False
+        return [plugin for plugin in ordered_plugins if cls._is_modified_after_split(plugin)]
 
     @classmethod
     def plugins(cls) -> List[str]:
diff --git a/src/ytdl_sub/entries/entry.py b/src/ytdl_sub/entries/entry.py
index 9451f0e6..413fa4bd 100644
--- a/src/ytdl_sub/entries/entry.py
+++ b/src/ytdl_sub/entries/entry.py
@@ -22,7 +22,7 @@ v: VariableDefinitions = VARIABLES
 
 YTDL_SUB_ENTRY_VARIABLES_KWARG_KEY: str = "ytdl_sub_entry_variables"
 
-TType = TypeVar("TType")
+TypeT = TypeVar("TypeT")
 
 
 class Entry(BaseEntry, Scriptable):
@@ -50,11 +50,11 @@ class Entry(BaseEntry, Scriptable):
         self._add_entry_kwargs_to_script()
         return self
 
-    def get(self, variable: Variable, expected_type: Type[TType]) -> TType:
+    def get(self, variable: Variable, expected_type: Type[TypeT]) -> TypeT:
         out = self.script.resolve(unresolvable=self.unresolvable).get_native(variable.variable_name)
         return expected_type(out)
 
-    def try_get(self, variable: Variable, expected_type: Type[TType]) -> Optional[TType]:
+    def try_get(self, variable: Variable, expected_type: Type[TypeT]) -> Optional[TypeT]:
         try:
             return self.get(variable=variable, expected_type=expected_type)
         except ScriptVariableNotResolved:
diff --git a/src/ytdl_sub/entries/script/function_scripts.py b/src/ytdl_sub/entries/script/function_scripts.py
index 8e577c28..f0ce07fd 100644
--- a/src/ytdl_sub/entries/script/function_scripts.py
+++ b/src/ytdl_sub/entries/script/function_scripts.py
@@ -7,7 +7,7 @@ v: VariableDefinitions = VARIABLES
 
 CUSTOM_FUNCTION_SCRIPTS: Dict[str, str] = {
     "%extract_field_from_metadata_array_getter": "{ %map_get( %map(%array_at($0, 0)), %array_at($0, 1) ) }",
-    "%extract_field_from_metadata_array": f"""{{
+    "%extract_field_from_metadata_array": """{
         %if(
             %bool($0),
             %array_extend(
@@ -21,7 +21,7 @@ CUSTOM_FUNCTION_SCRIPTS: Dict[str, str] = {
             ),
             []
         )   
-    }}""",
+    }""",
     "%extract_field_from_siblings": f"""{{
         %if(
             %bool({v.sibling_metadata.variable_name}),
diff --git a/src/ytdl_sub/entries/script/variable_definitions.py b/src/ytdl_sub/entries/script/variable_definitions.py
index 4a8b2574..fcd67168 100644
--- a/src/ytdl_sub/entries/script/variable_definitions.py
+++ b/src/ytdl_sub/entries/script/variable_definitions.py
@@ -1,5 +1,4 @@
 from dataclasses import dataclass
-from typing import Optional
 
 # This file contains mixins to a BaseEntry subclass. Ignore pylint's "no kwargs member" suggestion
 # pylint: disable=no-member
diff --git a/src/ytdl_sub/script/functions/numeric_functions.py b/src/ytdl_sub/script/functions/numeric_functions.py
index 02f8f084..5211c690 100644
--- a/src/ytdl_sub/script/functions/numeric_functions.py
+++ b/src/ytdl_sub/script/functions/numeric_functions.py
@@ -1,12 +1,9 @@
 import math
-from typing import Union
 
 from ytdl_sub.script.types.resolvable import AnyArgument
-from ytdl_sub.script.types.resolvable import Boolean
 from ytdl_sub.script.types.resolvable import Float
 from ytdl_sub.script.types.resolvable import Integer
 from ytdl_sub.script.types.resolvable import Numeric
-from ytdl_sub.script.types.resolvable import String
 
 
 def _to_numeric(value: int | float) -> Numeric:
diff --git a/src/ytdl_sub/script/functions/string_functions.py b/src/ytdl_sub/script/functions/string_functions.py
index 6ec26ef3..be8fa16d 100644
--- a/src/ytdl_sub/script/functions/string_functions.py
+++ b/src/ytdl_sub/script/functions/string_functions.py
@@ -71,7 +71,7 @@ class StringFunctions:
         """
         Concatenate multiple Strings into a single String.
         """
-        return String("".join(list([val.value for val in values])))
+        return String("".join(val.value for val in values))
 
     @staticmethod
     def pad(string: String, length: Integer, char: String) -> String:
diff --git a/src/ytdl_sub/script/script.py b/src/ytdl_sub/script/script.py
index f86e1e46..533a8224 100644
--- a/src/ytdl_sub/script/script.py
+++ b/src/ytdl_sub/script/script.py
@@ -1,12 +1,7 @@
-import copy
-from collections import defaultdict
 from typing import Dict
 from typing import List
 from typing import Optional
 from typing import Set
-from typing import Tuple
-
-from mergedeep import mergedeep
 
 from ytdl_sub.script.functions import Functions
 from ytdl_sub.script.parser import parse
@@ -17,12 +12,9 @@ from ytdl_sub.script.types.syntax_tree import SyntaxTree
 from ytdl_sub.script.types.variable import Variable
 from ytdl_sub.script.utils.exceptions import UNREACHABLE
 from ytdl_sub.script.utils.exceptions import CycleDetected
-from ytdl_sub.script.utils.exceptions import FunctionDoesNotExist
 from ytdl_sub.script.utils.exceptions import IncompatibleFunctionArguments
 from ytdl_sub.script.utils.exceptions import InvalidCustomFunctionArguments
 from ytdl_sub.script.utils.exceptions import RuntimeException
-from ytdl_sub.script.utils.exceptions import ScriptBuilderMissingDefinitions
-from ytdl_sub.script.utils.exceptions import VariableDoesNotExist
 from ytdl_sub.script.utils.name_validation import validate_variable_name
 from ytdl_sub.script.utils.type_checking import FunctionSpec
 
diff --git a/src/ytdl_sub/script/types/array.py b/src/ytdl_sub/script/types/array.py
index 1b2aa5d8..3129ffe7 100644
--- a/src/ytdl_sub/script/types/array.py
+++ b/src/ytdl_sub/script/types/array.py
@@ -5,7 +5,6 @@ from typing import Dict
 from typing import List
 from typing import Type
 
-from ytdl_sub.script.types.resolvable import AnyArgument
 from ytdl_sub.script.types.resolvable import Argument
 from ytdl_sub.script.types.resolvable import FutureResolvable
 from ytdl_sub.script.types.resolvable import NonHashable
diff --git a/src/ytdl_sub/script/types/map.py b/src/ytdl_sub/script/types/map.py
index 9beb05ad..0fca1cbb 100644
--- a/src/ytdl_sub/script/types/map.py
+++ b/src/ytdl_sub/script/types/map.py
@@ -6,7 +6,6 @@ from typing import Dict
 from typing import List
 from typing import Type
 
-from ytdl_sub.script.types.resolvable import AnyArgument
 from ytdl_sub.script.types.resolvable import Argument
 from ytdl_sub.script.types.resolvable import FutureResolvable
 from ytdl_sub.script.types.resolvable import Hashable
diff --git a/src/ytdl_sub/script/types/variable_dependency.py b/src/ytdl_sub/script/types/variable_dependency.py
index 4e399c9f..3e43e8c7 100644
--- a/src/ytdl_sub/script/types/variable_dependency.py
+++ b/src/ytdl_sub/script/types/variable_dependency.py
@@ -21,7 +21,7 @@ from ytdl_sub.script.types.variable import FunctionArgument
 from ytdl_sub.script.types.variable import Variable
 from ytdl_sub.script.utils.exceptions import UNREACHABLE
 
-TType = TypeVar("TType")
+TypeT = TypeVar("TypeT")
 
 
 @dataclass(frozen=True)
@@ -31,8 +31,8 @@ class VariableDependency(ABC):
     def _iterable_arguments(self) -> List[Argument]:
         pass
 
-    def _recurse_get(self, ttype: Type[TType], subclass: bool = False) -> List[TType]:
-        output: List[TType] = []
+    def _recurse_get(self, ttype: Type[TypeT], subclass: bool = False) -> List[TypeT]:
+        output: List[TypeT] = []
         for arg in self._iterable_arguments:
             if subclass and issubclass(type(arg), ttype):
                 output.append(arg)
diff --git a/src/ytdl_sub/script/utils/type_checking.py b/src/ytdl_sub/script/utils/type_checking.py
index 30ed6b12..016239f0 100644
--- a/src/ytdl_sub/script/utils/type_checking.py
+++ b/src/ytdl_sub/script/utils/type_checking.py
@@ -11,7 +11,6 @@ from typing import get_origin
 
 from ytdl_sub.script.types.resolvable import Argument
 from ytdl_sub.script.types.resolvable import BuiltInFunctionType
-from ytdl_sub.script.types.resolvable import FunctionType
 from ytdl_sub.script.types.resolvable import FutureResolvable
 from ytdl_sub.script.types.resolvable import Lambda
 from ytdl_sub.script.types.resolvable import LambdaReduce
diff --git a/src/ytdl_sub/utils/script.py b/src/ytdl_sub/utils/script.py
index c5331810..5784850a 100644
--- a/src/ytdl_sub/utils/script.py
+++ b/src/ytdl_sub/utils/script.py
@@ -3,9 +3,6 @@ from typing import Any
 from typing import Dict
 from typing import Iterable
 
-from ytdl_sub.script.types.resolvable import Resolvable
-from ytdl_sub.script.types.resolvable import String
-
 
 class ScriptUtils:
     @classmethod
diff --git a/src/ytdl_sub/validators/file_path_validators.py b/src/ytdl_sub/validators/file_path_validators.py
index 08dab9f6..c255ed1a 100644
--- a/src/ytdl_sub/validators/file_path_validators.py
+++ b/src/ytdl_sub/validators/file_path_validators.py
@@ -2,10 +2,7 @@ import os
 from pathlib import Path
 from typing import Any
 
-from ytdl_sub.script.parser import parse
 from ytdl_sub.script.script import Script
-from ytdl_sub.script.types.resolvable import String
-from ytdl_sub.utils.scriptable import Scriptable
 from ytdl_sub.validators.string_formatter_validators import OverridesStringFormatterValidator
 from ytdl_sub.validators.string_formatter_validators import StringFormatterValidator
 from ytdl_sub.validators.validators import StringValidator
diff --git a/src/ytdl_sub/validators/string_datetime.py b/src/ytdl_sub/validators/string_datetime.py
index 5818f6f4..b28c62d7 100644
--- a/src/ytdl_sub/validators/string_datetime.py
+++ b/src/ytdl_sub/validators/string_datetime.py
@@ -21,10 +21,9 @@ class StringDatetimeValidator(OverridesStringFormatterValidator):
 
     _expected_value_type_name = "datetime string"
 
-    def apply_formatter(self, variable_dict: Dict[str, str]) -> str:
-        output = super().apply_formatter(variable_dict)
+    def post_process(self, resolved: str) -> str:
         try:
-            _ = datetime_from_str(output)
+            _ = datetime_from_str(resolved)
         except Exception as exc:
             raise self._validation_exception(f"Invalid datetime string: {str(exc)}")
-        return output
+        return resolved
diff --git a/src/ytdl_sub/validators/string_formatter_validators.py b/src/ytdl_sub/validators/string_formatter_validators.py
index 4f408c4c..3f6f3047 100644
--- a/src/ytdl_sub/validators/string_formatter_validators.py
+++ b/src/ytdl_sub/validators/string_formatter_validators.py
@@ -1,22 +1,15 @@
 import re
-from collections import OrderedDict
-from keyword import iskeyword
 from typing import Dict
-from typing import List
 from typing import Set
 from typing import Union
 from typing import final
 
-from yt_dlp.utils import sanitize_filename
-
 from ytdl_sub.entries.script.variable_definitions import VARIABLES
 from ytdl_sub.script.parser import parse
 from ytdl_sub.script.script import Script
-from ytdl_sub.script.types.resolvable import Resolvable
 from ytdl_sub.script.utils.exceptions import UserException
 from ytdl_sub.script.utils.exceptions import VariableDoesNotExist
 from ytdl_sub.utils.exceptions import InvalidVariableNameException
-from ytdl_sub.utils.exceptions import StringFormattingException
 from ytdl_sub.utils.exceptions import StringFormattingVariableNotFoundException
 from ytdl_sub.validators.validators import DictValidator
 from ytdl_sub.validators.validators import ListValidator