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PiperOrigin-RevId: 574494933

google/colab/_quickchart.py

@@ -1,4 +1,5 @@
 """Automated chart generation for data frames."""
+import collections.abc
 import itertools
 import logging
 
@@ -260,9 +261,10 @@ def _matches_datetime_pattern(colname):
     ) or any(colname == c for c in _DATETIME_COLNAMES)
 
   for colname in df.columns:
-    if _matches_datetime_pattern(
-        colname
-    ) or _is_monotonically_increasing_numeric(df[colname]):
+    if (
+        _matches_datetime_pattern(colname)
+        or _is_monotonically_increasing_numeric(df[colname])
+    ) and _all_values_scalar(df[colname]):
       timelike_cols.append(colname)
 
   return {
@@ -286,6 +288,15 @@ def _is_monotonically_increasing_numeric(series):
   )
 
 
+def _all_values_scalar(series):
+  def _is_non_scalar(x):
+    return isinstance(x, collections.abc.Iterable) and not isinstance(
+        x, (bytes, str)
+    )
+
+  return not any(_is_non_scalar(x) for x in series)
+
+
 def _get_axis_bounds(series, padding_percent=0.05, zero_rtol=1e-3):
   """Gets the min/max axis bounds for a given data series.