Move version requirement to top level

codegen/dataset/generate_fields.py

@@ -22,6 +22,10 @@
         UniprotSearchField,
     )
 
+# We use some python 3.8+ features here
+assert sys.version_info >= (3, 9)
+
+
 # If the functions return anything, print it
 app = typer.Typer(result_callback=lambda x: print(x))
 
@@ -413,10 +417,6 @@ def generate_query_fields(dataset: str, type_name: str) -> Iterable[ast.stmt]:
     return top_level
 
 
-# We use some python 3.8+ features here
-assert sys.version_info >= (3, 9)
-
-
 @app.command()
 def make_dataset(dataset: str):
     module = ast.Module(

codegen/id_mapping/generate.py

@@ -8,6 +8,9 @@
 import requests
 import typer
 
+# ast.unparse uses Python 3.9+
+assert sys.version_info >= (3, 9)
+
 app = typer.Typer(result_callback=lambda x: print(x))
 
 
@@ -108,9 +111,6 @@ def to_function(self) -> ast.FunctionDef:
 
 @app.command()
 def main() -> None:
-    # ast.unparse uses Python 3.9+
-    assert sys.version_info >= (3, 9)
-
     rules: defaultdict[int, Rule] = defaultdict(Rule)
 
     # Build up a list of rules