Remove unused try_parse_dates

Author: mroeschke

pandas/io/parsers/base_parser.py

@@ -321,12 +321,12 @@ def _clean_mapping(self, mapping):
         return clean
 
     @final
-    def _agg_index(self, index, try_parse_dates: bool = True) -> Index:
+    def _agg_index(self, index) -> Index:
         arrays = []
         converters = self._clean_mapping(self.converters)
 
         for i, arr in enumerate(index):
-            if try_parse_dates and self._should_parse_dates(i):
+            if self._should_parse_dates(i):
                 arr = date_converter(
                     arr,
                     col=self.index_names[i] if self.index_names is not None else None,

pandas/io/parsers/c_parser_wrapper.py

@@ -290,7 +290,7 @@ def read(
                 else:
                     values = data.pop(self.index_col[i])
 
-                values = self._maybe_parse_dates(values, i, try_parse_dates=True)
+                values = self._maybe_parse_dates(values, i)
                 arrays.append(values)
 
             index = ensure_index_from_sequences(arrays)
@@ -344,8 +344,8 @@ def _filter_usecols(self, names: SequenceT) -> SequenceT | list[Hashable]:
             ]
         return names
 
-    def _maybe_parse_dates(self, values, index: int, try_parse_dates: bool = True):
-        if try_parse_dates and self._should_parse_dates(index):
+    def _maybe_parse_dates(self, values, index: int):
+        if self._should_parse_dates(index):
             values = date_converter(
                 values,
                 col=self.index_names[index] if self.index_names is not None else None,