Address 1st round of feedback

Author: vuminhle

doc/source/whatsnew/v0.23.5.txt

@@ -52,5 +52,4 @@ Bug Fixes
 **I/O**
 
 - Bug in :func:`read_csv` that caused it to raise ``OverflowError`` when trying to use 'inf' as ``na_value`` with integer index column (:issue:`17128`)
-- Bug in :func:`json_normalize` that caused it to raise ``TypeError`` when ``record_path`` has a sequence of dicts along its path (:issue:`22706`)
 -

doc/source/whatsnew/v0.24.0.txt

@@ -759,6 +759,7 @@ I/O
 - :func:`read_sas()` will correctly parse sas7bdat files with many columns (:issue:`22628`)
 - :func:`read_sas()` will correctly parse sas7bdat files with data page types having also bit 7 set (so page type is 128 + 256 = 384) (:issue:`16615`)
 - Bug in :meth:`detect_client_encoding` where potential ``IOError`` goes unhandled when importing in a mod_wsgi process due to restricted access to stdout. (:issue:`21552`)
+- Bug in :func:`json_normalize` that caused it to raise ``TypeError`` when ``record_path`` has a sequence of dicts along its path (:issue:`22706`)
 
 Plotting
 ^^^^^^^^

pandas/io/json/normalize.py

@@ -224,14 +224,28 @@ def _pull_field(js, spec):
         sep = str(sep)
     meta_keys = [sep.join(val) for val in meta]
 
-    def _extract(obj, path, seen_meta, level):
-        recs = _pull_field(obj, path[0])
+    def _extract(obj, field, seen_meta, level):
+    """
+    Extract field from obj (the result is stored in `records`, `lengths`, and `meta_vals`).
+
+    Parameters
+    ----------
+    obj : dict 
+        Unserialized JSON object
+    field : string
+        The field to extract from obj
+    seen_meta : dict
+        The dict of meta values that have been visited
+    level: int
+        The current level
+    """
+        recs = _pull_field(obj, field)
 
         # For repeating the metadata later
         lengths.append(len(recs))
 
         for val, key in zip(meta, meta_keys):
-            if level + 1 > len(val):
+            if level >= len(val):
                 meta_val = seen_meta[key]
             else:
                 try:
@@ -259,9 +273,9 @@ def _recursive_extract(data, path, seen_meta, level=0):
                                    seen_meta, level=level + 1)
         elif isinstance(data, list):
             for obj in data:
-                _extract(obj, path, seen_meta, level)
+                _extract(obj, path[0], seen_meta, level)
         else:
-            _extract(data, path, seen_meta, level)
+            _extract(data, path[0], seen_meta, level)
 
     _recursive_extract(data, record_path, {}, level=0)