diff --git a/vyper/ast/parse.py b/vyper/ast/parse.py
index e0bd86e352..b1b9a8d917 100644
--- a/vyper/ast/parse.py
+++ b/vyper/ast/parse.py
@@ -1,7 +1,6 @@
 import ast as python_ast
 import string
 import tokenize
-
 from decimal import Decimal
 from typing import Any, Dict, List, Optional, Union, cast
 
@@ -141,7 +140,6 @@ def __init__(
 
         self.counter: int = 0
 
-
     def generic_visit(self, node):
         """
         Annotate a node with information that simplifies Vyper node generation.
@@ -275,14 +273,14 @@ def _add_pair(x, y):
                     start=_add_pair(n.first_token.start, adjustment),
                     end=_add_pair(n.first_token.end, adjustment),
                     startpos=n.first_token.startpos + og_target.first_token.startpos,
-                    endpos=n.first_token.startpos + og_target.first_token.startpos
+                    endpos=n.first_token.startpos + og_target.first_token.startpos,
                 )
             if hasattr(n, "last_token"):
                 n.last_token = n.last_token._replace(
                     start=_add_pair(n.last_token.start, adjustment),
                     end=_add_pair(n.last_token.end, adjustment),
                     startpos=n.last_token.startpos + og_target.first_token.startpos,
-                    endpos=n.last_token.endpos + og_target.first_token.startpos
+                    endpos=n.last_token.endpos + og_target.first_token.startpos,
                 )
 
         node.target = annotation
@@ -448,8 +446,8 @@ def annotate_python_ast(
     source_code : str
         The originating source code of the AST.
     loop_var_annotations: dict, optional
-        A mapping of line numbers of `For` nodes to the type annotation of the iterator
-        extracted during pre-parsing.
+        A mapping of line numbers of `For` nodes to the tokens of the type annotation
+        of the iterator extracted during pre-parsing.
     modification_offsets : dict, optional
         A mapping of class names to their original class types.
 
diff --git a/vyper/ast/pre_parser.py b/vyper/ast/pre_parser.py
index fc458cb9cc..f7d2df208a 100644
--- a/vyper/ast/pre_parser.py
+++ b/vyper/ast/pre_parser.py
@@ -141,8 +141,9 @@ def pre_parse(code: str) -> tuple[Settings, ModificationOffsets, dict, str]:
         Compilation settings based on the directives in the source code
     ModificationOffsets
         A mapping of class names to their original class types.
-    dict[tuple[int, int], str]
-        A mapping of line/column offsets of `For` nodes to the annotation of the for loop target
+    dict[tuple[int, int], list[TokenInfo]]
+        A mapping of line/column offsets of `For` nodes to the tokens of the annotation of the
+        for loop target
     str
         Reformatted python source string.
     """
@@ -225,9 +226,6 @@ def pre_parse(code: str) -> tuple[Settings, ModificationOffsets, dict, str]:
 
     for_loop_annotations = {}
     for k, v in for_parser.annotations.items():
-        #v_source = untokenize(v)
-        # untokenize adds backslashes and whitespace, strip them.
-        #v_source = v_source.replace("\\", "").strip()
         for_loop_annotations[k] = v.copy()
 
     return settings, modification_offsets, for_loop_annotations, untokenize(result).decode("utf-8")
diff --git a/vyper/exceptions.py b/vyper/exceptions.py
index e42afe4710..51f3fea14c 100644
--- a/vyper/exceptions.py
+++ b/vyper/exceptions.py
@@ -106,7 +106,6 @@ def __str__(self):
                     line_numbers=VYPER_ERROR_LINE_NUMBERS,
                 )
             except Exception:
-                print("EXC", node.full_source_code, node.node_source_code, node.lineno, node.col_offset)
                 # necessary for certain types of syntax exceptions
                 return self.message