update doc

docs/source/index.rst

@@ -4,7 +4,7 @@ Welcome to the documentation for pyroe
 What is pyroe?
 ===================
 
-The pyroe package provides useful functions for analyzing single-cell or single-nucleus RNA-sequencing data using `alevin-fry`. Since `simpleaf` version 0.14.0, `roers <https://github.com/COMBINE-lab/roers>`_, instead of pyroe, became as the default augmented reference constructor for `alevin-fry` and `simpleaf`. Now, the main purpose of `pyroe` is to provide the function `load_fry` to load `alevin-fry` quantification results into Python as an `anndata <http://anndata.readthedocs.io/>`_ object, so as to be compatible with `scanpy <https://scanpy.readthedocs.io/en/stable/index.html>`_.
+The pyroe package provides useful functions for analyzing single-cell or single-nucleus RNA-sequencing data using `alevin-fry`. Since `simpleaf` version 0.14.0, `roers <https://github.com/COMBINE-lab/roers>`_, instead of pyroe, became as the default augmented reference constructor for `alevin-fry` and `simpleaf`. Now, the main purpose of `pyroe` is to provide the function `load_fry` to load `alevin-fry` quantification results into Python as an `anndata <http://anndata.readthedocs.io/>`_ object, so as to be compatible with `scanpy <https://scanpy.readthedocs.io/en/stable/index.html>`_. If you have trouble installing `pyroe`, you can also define the ``load_fry`` function in your own Python script, the definition of ``load_fry`` can be found at here: `load_fry <https://github.com/COMBINE-lab/pyroe/blob/main/src/pyroe/load_fry.py>`_. 
 
 .. toctree::
    :maxdepth: 2

setup.cfg

@@ -21,7 +21,7 @@ scripts =
 python_requires = >=3.7
 include_package_data = True
 install_requires = 
-    # pandas >= 1.3.0, < 2.0.0
+    pandas >= 1.3.0, < 2.2.0
     pyranges == 0.0.129
     biopython >= 1.77
     packaging >= 21.0