diff --git a/mesonbuild/dependencies/base.py b/mesonbuild/dependencies/base.py
index 36d9f6574..8fc198290 100644
--- a/mesonbuild/dependencies/base.py
+++ b/mesonbuild/dependencies/base.py
@@ -1714,7 +1714,9 @@ class ExternalProgram:
                 break
 
         if not silent:
-            if self.found():
+            # ignore the warning because derived classes never call this __init__
+            # method, and thus only the found() method of this class is ever executed
+            if self.found():  # lgtm [py/init-calls-subclass]
                 mlog.log('Program', mlog.bold(name), 'found:', mlog.green('YES'),
                          '(%s)' % ' '.join(self.command))
             else:
diff --git a/mesonbuild/rewriter.py b/mesonbuild/rewriter.py
index 3712c075f..5078d3c73 100644
--- a/mesonbuild/rewriter.py
+++ b/mesonbuild/rewriter.py
@@ -103,11 +103,11 @@ class RequiredKeys:
 class MTypeBase:
     def __init__(self, node: Optional[BaseNode] = None):
         if node is None:
-            self.node = self._new_node()
+            self.node = self._new_node()  # lgtm [py/init-calls-subclass] (node creation does not depend on base class state)
         else:
             self.node = node
         self.node_type = None
-        for i in self.supported_nodes():
+        for i in self.supported_nodes():  # lgtm [py/init-calls-subclass] (listing nodes does not depend on base class state)
             if isinstance(self.node, i):
                 self.node_type = i