diff --git a/python/src/runner.py b/python/src/runner.py
index 38c8c3ed..0b089255 100644
--- a/python/src/runner.py
+++ b/python/src/runner.py
@@ -1,4 +1,3 @@
-from __future__ import annotations as anns
 import sys
 import os
 import os.path
@@ -320,7 +319,7 @@ def runCode(fileToRun, globals, args, useUntypy=True, extraDirs=None):
 
     with RunSetup(localDir):
         codeTxt = readFile(fileToRun)
-        flags = 0 | anns.compiler_flag
+        flags = 0
         if useUntypy:
             verbose(f'finding modules imported by {fileToRun}')
             importedMods = findImportedModules([localDir] + extraDirs, fileToRun)
diff --git a/python/test-data/fileWithRecursiveTypes.py b/python/test-data/fileWithRecursiveTypes.py
index 0423bdd8..cd7bfd59 100644
--- a/python/test-data/fileWithRecursiveTypes.py
+++ b/python/test-data/fileWithRecursiveTypes.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 class C:
     def foo(self: C, d: D) -> C:
         return C
diff --git a/python/test-data/testClassRecursion.py b/python/test-data/testClassRecursion.py
index 669a0c1d..3da4a824 100644
--- a/python/test-data/testClassRecursion.py
+++ b/python/test-data/testClassRecursion.py
@@ -1,3 +1,4 @@
+from __future__ import annotations
 from wypp import *
 
 class C:
diff --git a/python/test-data/testHintParentheses1.err b/python/test-data/testHintParentheses1.err
index 89a9616e..ed624e35 100644
--- a/python/test-data/testHintParentheses1.err
+++ b/python/test-data/testHintParentheses1.err
@@ -1,5 +1,5 @@
 Traceback (most recent call last):
-  File "test-data/testHintParentheses1.py", line 4, in <module>
+  File "test-data/testHintParentheses1.py", line 5, in <module>
     def foo(l: list(int)) -> int:
 WyppAttributeError: Type annotation of function 'foo' could not be resolved:
 'type' object is not iterable
@@ -7,4 +7,4 @@ WyppAttributeError: Type annotation of function 'foo' could not be resolved:
 def foo(l: list(int)) -> int:                    
     return ^^^^^^^^^ - Did you mean: 'list[int]'?
 
-declared at: test-data/testHintParentheses1.py:4
+declared at: test-data/testHintParentheses1.py:5
diff --git a/python/test-data/testHintParentheses1.py b/python/test-data/testHintParentheses1.py
index 9a7d23a1..6efd9b26 100644
--- a/python/test-data/testHintParentheses1.py
+++ b/python/test-data/testHintParentheses1.py
@@ -1,7 +1,8 @@
+from __future__ import annotations
 from wypp import *
 # See https://github.com/skogsbaer/write-your-python-program/issues/61
 
 def foo(l: list(int)) -> int:
     return len(l)
 
-check(foo([1,2,3]), 3)
\ No newline at end of file
+check(foo([1,2,3]), 3)
diff --git a/python/test-data/testHintParentheses3.err b/python/test-data/testHintParentheses3.err
index 6fb631a3..5ac7b6ba 100644
--- a/python/test-data/testHintParentheses3.err
+++ b/python/test-data/testHintParentheses3.err
@@ -1,5 +1,5 @@
 Traceback (most recent call last):
-  File "test-data/testHintParentheses3.py", line 5, in <module>
+  File "test-data/testHintParentheses3.py", line 6, in <module>
     def foo() -> Union(list, str):
 WyppAttributeError: Type annotation of function 'foo' could not be resolved:
 Cannot call Union like a function. Did you mean Union[list, str]?
@@ -7,4 +7,4 @@ Cannot call Union like a function. Did you mean Union[list, str]?
 def foo() -> Union(list, str):                                   
     pass     ^^^^^^^^^^^^^^^^ - Did you mean: 'Union[list, str]'?
 
-declared at: test-data/testHintParentheses3.py:5
+declared at: test-data/testHintParentheses3.py:6
diff --git a/python/test-data/testHintParentheses3.py b/python/test-data/testHintParentheses3.py
index 7b77a0d3..225f0b11 100644
--- a/python/test-data/testHintParentheses3.py
+++ b/python/test-data/testHintParentheses3.py
@@ -1,6 +1,7 @@
+from __future__ import annotations
 from wypp import *
 # See https://github.com/skogsbaer/write-your-python-program/issues/61
 
 # Tests 'return' 
 def foo() -> Union(list, str):
-    pass
\ No newline at end of file
+    pass
diff --git a/python/test-data/testIterator3.py b/python/test-data/testIterator3.py
index dab7283e..cc6ddc2e 100644
--- a/python/test-data/testIterator3.py
+++ b/python/test-data/testIterator3.py
@@ -1,3 +1,4 @@
+from __future__ import annotations
 from typing import Iterable
 
 def myRange(n: int) -> Iterator[int]:
diff --git a/python/test-data/testRecordSetTypeForwardRef.err b/python/test-data/testRecordSetTypeForwardRef.err
index 567c564c..f1494801 100644
--- a/python/test-data/testRecordSetTypeForwardRef.err
+++ b/python/test-data/testRecordSetTypeForwardRef.err
@@ -1,12 +1,12 @@
 Traceback (most recent call last):
-  File "test-data/testRecordSetTypeForwardRef.py", line 14, in <module>
+  File "test-data/testRecordSetTypeForwardRef.py", line 15, in <module>
     m()
-  File "test-data/testRecordSetTypeForwardRef.py", line 12, in m
+  File "test-data/testRecordSetTypeForwardRef.py", line 13, in m
     r.x = "hello"
 WyppTypeError: got value of wrong type
 given:    'hello'
 expected: value of type A
 
-declared at: test-data/testRecordSetTypeForwardRef.py:4
-caused by: test-data/testRecordSetTypeForwardRef.py:12
+declared at: test-data/testRecordSetTypeForwardRef.py:5
+caused by: test-data/testRecordSetTypeForwardRef.py:13
   |     r.x = "hello"
diff --git a/python/test-data/testRecordSetTypeForwardRef.err-3.12 b/python/test-data/testRecordSetTypeForwardRef.err-3.12
index 361ff706..3068bc74 100644
--- a/python/test-data/testRecordSetTypeForwardRef.err-3.12
+++ b/python/test-data/testRecordSetTypeForwardRef.err-3.12
@@ -1,12 +1,12 @@
 Traceback (most recent call last):
-  File "test-data/testRecordSetTypeForwardRef.py", line 14, in <module>
+  File "test-data/testRecordSetTypeForwardRef.py", line 15, in <module>
     m()
-  File "test-data/testRecordSetTypeForwardRef.py", line 12, in m
+  File "test-data/testRecordSetTypeForwardRef.py", line 13, in m
     r.x = "hello"
 WyppTypeError: got value of wrong type
 given:    'hello'
 expected: value of type A
 
-declared at: test-data/testRecordSetTypeForwardRef.py:3
-caused by: test-data/testRecordSetTypeForwardRef.py:12
+declared at: test-data/testRecordSetTypeForwardRef.py:4
+caused by: test-data/testRecordSetTypeForwardRef.py:13
   |     r.x = "hello"
diff --git a/python/test-data/testRecordSetTypeForwardRef.py b/python/test-data/testRecordSetTypeForwardRef.py
index fbb14740..ba2dae0f 100644
--- a/python/test-data/testRecordSetTypeForwardRef.py
+++ b/python/test-data/testRecordSetTypeForwardRef.py
@@ -1,3 +1,4 @@
+from __future__ import annotations
 from wypp import *
 
 @record(mutable=True)
diff --git a/python/test-data/testTypesProtos6.err b/python/test-data/testTypesProtos6.err
index 3b36b009..20a107ce 100644
--- a/python/test-data/testTypesProtos6.err
+++ b/python/test-data/testTypesProtos6.err
@@ -1,23 +1,23 @@
 Traceback (most recent call last):
-  File "test-data/testTypesProtos6.py", line 56, in <module>
+  File "test-data/testTypesProtos6.py", line 57, in <module>
     print(computeTotalSize(root))
-  File "test-data/testTypesProtos6.py", line 49, in computeTotalSize
+  File "test-data/testTypesProtos6.py", line 50, in computeTotalSize
     fs.accept(visitor)
-  File "test-data/testTypesProtos6.py", line 18, in accept
+  File "test-data/testTypesProtos6.py", line 19, in accept
     visitor.visitDirectory(self)
-  File "test-data/testTypesProtos6.py", line 40, in visitDirectory
+  File "test-data/testTypesProtos6.py", line 41, in visitDirectory
     c.accept(self)
-  File "test-data/testTypesProtos6.py", line 27, in accept
+  File "test-data/testTypesProtos6.py", line 28, in accept
     visitor.visitFile(self)
 WyppTypeError: TotalSizeVisitor does not implement parent FileSystemVisitor
 given:    <__wypp__.TotalSizeVisitor object at 0x00>
 expected: value of type FileSystemVisitor
 
-declared at: test-data/testTypesProtos6.py:35
-declared at: test-data/testTypesProtos6.py:32
-caused by: test-data/testTypesProtos6.py:35
+declared at: test-data/testTypesProtos6.py:36
+declared at: test-data/testTypesProtos6.py:33
+caused by: test-data/testTypesProtos6.py:36
   | class TotalSizeVisitor(FileSystemVisitor):
-caused by: test-data/testTypesProtos6.py:41
+caused by: test-data/testTypesProtos6.py:42
   |     def visitFile(self, file: str):
 
 Argument file of method visitFile violates the type declared by the parent FileSystemVisitor.
@@ -28,7 +28,7 @@ expected: value of type str
 
 context: visitFile(self: Self, file: str) -> None
                                      ^^^
-declared at: test-data/testTypesProtos6.py:41
-declared at: test-data/testTypesProtos6.py:32
-caused by: test-data/testTypesProtos6.py:41
+declared at: test-data/testTypesProtos6.py:42
+declared at: test-data/testTypesProtos6.py:33
+caused by: test-data/testTypesProtos6.py:42
   |     def visitFile(self, file: str):
diff --git a/python/test-data/testTypesProtos6.py b/python/test-data/testTypesProtos6.py
index 1f8d3c5b..ac235260 100644
--- a/python/test-data/testTypesProtos6.py
+++ b/python/test-data/testTypesProtos6.py
@@ -1,3 +1,4 @@
+from __future__ import annotations
 from wypp import *
 
 class FileSystemEntry:
diff --git a/python/test-data/testTypesProtos7.err b/python/test-data/testTypesProtos7.err
index 4cd52639..a15b77bc 100644
--- a/python/test-data/testTypesProtos7.err
+++ b/python/test-data/testTypesProtos7.err
@@ -1,23 +1,23 @@
 Traceback (most recent call last):
-  File "test-data/testTypesProtos7.py", line 75, in <module>
+  File "test-data/testTypesProtos7.py", line 76, in <module>
     print(computeTotalSize(root))
-  File "test-data/testTypesProtos7.py", line 68, in computeTotalSize
+  File "test-data/testTypesProtos7.py", line 69, in computeTotalSize
     fs.accept(visitor)
-  File "test-data/testTypesProtos7.py", line 35, in accept
+  File "test-data/testTypesProtos7.py", line 36, in accept
     visitor.visitDirectory(self)
-  File "test-data/testTypesProtos7.py", line 59, in visitDirectory
+  File "test-data/testTypesProtos7.py", line 60, in visitDirectory
     c.accept(self)
-  File "test-data/testTypesProtos7.py", line 46, in accept
+  File "test-data/testTypesProtos7.py", line 47, in accept
     visitor.visitFile(self)
 WyppTypeError: TotalSizeVisitor does not implement parent FileSystemVisitor
 given:    <__wypp__.TotalSizeVisitor object at 0x00>
 expected: value of type FileSystemVisitor
 
-declared at: test-data/testTypesProtos7.py:54
-declared at: test-data/testTypesProtos7.py:51
-caused by: test-data/testTypesProtos7.py:54
+declared at: test-data/testTypesProtos7.py:55
+declared at: test-data/testTypesProtos7.py:52
+caused by: test-data/testTypesProtos7.py:55
   | class TotalSizeVisitor(FileSystemVisitor):
-caused by: test-data/testTypesProtos7.py:60
+caused by: test-data/testTypesProtos7.py:61
   |     def visitFile(self, f: str):
 
 Argument f of method visitFile violates the type declared for file in parent FileSystemVisitor.
@@ -27,7 +27,7 @@ given:    File('notes.txt')
 expected: value of type str
 
 context: visitFile(self: Self, f: File) -> None
-declared at: test-data/testTypesProtos7.py:60
-declared at: test-data/testTypesProtos7.py:51
-caused by: test-data/testTypesProtos7.py:60
+declared at: test-data/testTypesProtos7.py:61
+declared at: test-data/testTypesProtos7.py:52
+caused by: test-data/testTypesProtos7.py:61
   |     def visitFile(self, f: str):
diff --git a/python/test-data/testTypesProtos7.py b/python/test-data/testTypesProtos7.py
index 679032e7..c80e0259 100644
--- a/python/test-data/testTypesProtos7.py
+++ b/python/test-data/testTypesProtos7.py
@@ -1,3 +1,4 @@
+from __future__ import annotations
 from abc import ABC, abstractmethod
 from wypp import *
 
diff --git a/python/test-data/wrong-caused-by.err b/python/test-data/wrong-caused-by.err
index 808b81c6..6b363385 100644
--- a/python/test-data/wrong-caused-by.err
+++ b/python/test-data/wrong-caused-by.err
@@ -1,5 +1,5 @@
 Traceback (most recent call last):
-  File "test-data/wrong-caused-by.py", line 30, in <module>
+  File "test-data/wrong-caused-by.py", line 31, in <module>
     mainStreetM.turnIntoStreet(redCarM)
 WyppTypeError: got value of wrong type
 given:    CarM(licensePlate='OG PY 123', color='rot')
@@ -7,6 +7,6 @@ expected: value of type Car
 
 context: turnIntoStreet(self: Self, car: Car) -> None
                                          ^^^
-declared at: test-data/wrong-caused-by.py:9
-caused by: test-data/wrong-caused-by.py:30
+declared at: test-data/wrong-caused-by.py:10
+caused by: test-data/wrong-caused-by.py:31
   | mainStreetM.turnIntoStreet(redCarM)
diff --git a/python/test-data/wrong-caused-by.py b/python/test-data/wrong-caused-by.py
index d7ca90e2..343c16f8 100644
--- a/python/test-data/wrong-caused-by.py
+++ b/python/test-data/wrong-caused-by.py
@@ -1,3 +1,4 @@
+from __future__ import annotations
 from wypp import *
 
 @record(mutable=True)