moving line from #349 to correct place in release notes

RELEASE_NOTES.md

@@ -1,8 +1,6 @@
 # Next release
 
 ## API changes
-PR [#349](https://github.com/IAMconsortium/pyam/pull/349) changed how appending
-checks that time columns are equal.  
 
 PR [#341](https://github.com/IAMconsortium/pyam/pull/341) changed
 the API of `IamDataFrame.convert_unit()` from a dictionary to explicit kwargs
@@ -17,6 +15,7 @@ an IamDataFrame with `n/a` entries in columns other than `value` raises an error
 
 ## Individual Updates
 
+- [#349](https://github.com/IAMconsortium/pyam/pull/349) Fixes an issue with checking that time columns are equal when appending IamDataFrames
 - [#348](https://github.com/IAMconsortium/pyam/pull/348) Extend pages for API docs, clean up docstrings, and harmonize formatting
 - [#347](https://github.com/IAMconsortium/pyam/pull/347) Enable contexts and custom UnitRegistry with unit conversion
 - [#341](https://github.com/IAMconsortium/pyam/pull/341) Use `pint` and IIASA-ene-units repo for unit conversion

tests/test_feature_append_rename.py

@@ -64,8 +64,7 @@ def test_append_other_scenario(test_df):
 
 
 def test_append_reconstructed_time(test_df):
-    # This tests that dfs with identical time cols created by different methods
-    # can be appended
+    # check appending dfs with equal time cols created by different methods
     other = test_df.filter(scenario='scen_b')\
         .rename({'scenario': {'scen_b': 'scen_c'}})
     other.time_col = other.time_col[0:1] + other.time_col[1:]
@@ -85,7 +84,7 @@ def test_append_same_scenario(test_df):
     # check that non-matching meta raise an error
     pytest.raises(ValueError, test_df.append, other=other)
 
-    # check that ignoring meta conflict works as expetced
+    # check that ignoring meta conflict works as expected
     df = test_df.append(other, ignore_meta_conflict=True)
 
     # check that the new meta.index is updated, but not the original one