fixed a typo in environment.yaml

Author: SaturnFromTitan

environment.yml

@@ -81,7 +81,7 @@ dependencies:
   - html5lib  # pandas.read_html
   - lxml  # pandas.read_html
   - openpyxl  # pandas.read_excel, DataFrame.to_excel, pandas.ExcelWriter, pandas.ExcelFile
-  - pyarrow>=0.13.1  # pandas.read_paquet, DataFrame.to_parquet, pandas.read_feather, DataFrame.to_feather
+  - pyarrow>=0.13.1  # pandas.read_parquet, DataFrame.to_parquet, pandas.read_feather, DataFrame.to_feather
   - pyqt>=5.9.2  # pandas.read_clipboard
   - pytables>=3.4.2  # pandas.read_hdf, DataFrame.to_hdf
   - python-snappy  # required by pyarrow