5 files changed, 8 insertions, 8 deletions
diff --git a/mesonbuild/ast/interpreter.py b/mesonbuild/ast/interpreter.py
index 2839f54..25dfb80 100644
--- a/mesonbuild/ast/interpreter.py
+++ b/mesonbuild/ast/interpreter.py
@@ -67,7 +67,7 @@ ADD_SOURCE = 0
 REMOVE_SOURCE = 1
 
 class AstInterpreter(interpreterbase.InterpreterBase):
-    def __init__(self, source_root: str, subdir: str, subproject: str, visitors: T.Optional[T.List[AstVisitor]] = None) -> None:
+    def __init__(self, source_root: str, subdir: str, subproject: str, visitors: T.Optional[T.List[AstVisitor]] = None):
         super().__init__(source_root, subdir, subproject)
         self.visitors = visitors if visitors is not None else []
         self.visited_subdirs = {}     # type: T.Dict[str, bool]
diff --git a/mesonbuild/ast/introspection.py b/mesonbuild/ast/introspection.py
index d51b099..c9a51bf 100644
--- a/mesonbuild/ast/introspection.py
+++ b/mesonbuild/ast/introspection.py
@@ -30,7 +30,7 @@ build_target_functions = ['executable', 'jar', 'library', 'shared_library', 'sha
 
 class IntrospectionHelper:
     # mimic an argparse namespace
-    def __init__(self, cross_file: str) -> None:
+    def __init__(self, cross_file: str):
         self.cross_file = cross_file  # type: str
         self.native_file = None       # type: str
         self.cmd_line_options = {}    # type: T.Dict[str, str]
@@ -46,7 +46,7 @@ class IntrospectionInterpreter(AstInterpreter):
                  cross_file: T.Optional[str] = None,
                  subproject: str = '',
                  subproject_dir: str = 'subprojects',
-                 env: T.Optional[environment.Environment] = None) -> None:
+                 env: T.Optional[environment.Environment] = None):
         visitors = visitors if visitors is not None else []
         super().__init__(source_root, subdir, subproject, visitors=visitors)
 
diff --git a/mesonbuild/ast/postprocess.py b/mesonbuild/ast/postprocess.py
index 6d808be..35fe1d3 100644
--- a/mesonbuild/ast/postprocess.py
+++ b/mesonbuild/ast/postprocess.py
@@ -20,7 +20,7 @@ from .. import mparser
 import typing as T
 
 class AstIndentationGenerator(AstVisitor):
-    def __init__(self) -> None:
+    def __init__(self):
         self.level = 0
 
     def visit_default_func(self, node: mparser.BaseNode) -> None:
@@ -76,7 +76,7 @@ class AstIndentationGenerator(AstVisitor):
         self.level -= 1
 
 class AstIDGenerator(AstVisitor):
-    def __init__(self) -> None:
+    def __init__(self):
         self.counter = {}  # type: T.Dict[str, int]
 
     def visit_default_func(self, node: mparser.BaseNode) -> None:
@@ -87,7 +87,7 @@ class AstIDGenerator(AstVisitor):
         self.counter[name] += 1
 
 class AstConditionLevel(AstVisitor):
-    def __init__(self) -> None:
+    def __init__(self):
         self.condition_level = 0
 
     def visit_default_func(self, node: mparser.BaseNode) -> None:
diff --git a/mesonbuild/ast/printer.py b/mesonbuild/ast/printer.py
index 06f3c62..39e2cca 100644
--- a/mesonbuild/ast/printer.py
+++ b/mesonbuild/ast/printer.py
@@ -28,7 +28,7 @@ arithmic_map = {
 }
 
 class AstPrinter(AstVisitor):
-    def __init__(self, indent: int = 2, arg_newline_cutoff: int = 5) -> None:
+    def __init__(self, indent: int = 2, arg_newline_cutoff: int = 5):
         self.result = ''
         self.indent = indent
         self.arg_newline_cutoff = arg_newline_cutoff
diff --git a/mesonbuild/ast/visitor.py b/mesonbuild/ast/visitor.py
index ec51014..37be463 100644
--- a/mesonbuild/ast/visitor.py
+++ b/mesonbuild/ast/visitor.py
@@ -18,7 +18,7 @@
 from .. import mparser
 
 class AstVisitor:
-    def __init__(self) -> None:
+    def __init__(self):
         pass
 
     def visit_default_func(self, node: mparser.BaseNode) -> None: