chore:try to resolve flake8 errors

src/meanvariancefunction.py

@@ -9,22 +9,24 @@ import matplotlib.pyplot as plt
 
 
 def mean_variance(filepath: str, output_dir: str = os.getcwd()+'/') -> str:
-    """Given the counts observed for a given gene across all cells,
-    calculate the mean and variance.
+    """For observed gene counts calcuclate mean and var.
 
     ! At the moment the function does not check the import files format,
-    be careful, and only add text files in the format geneid number_of_transcipts !
+    be careful, and only add text files in the format
+    geneid number_of_transcipts !
 
     Args:
-        directory with text files of gene expression counts in individual cells.
+        directory with text files of gene expression
+        counts in individual cells.
     Returns:
-        1. Path to Csv-formatted table with GeneID, Mean, Variance of the count, and
-        Scatterplot of mean vs variance for all genes.
+        1. Path to Csv-formatted table with GeneID, Mean, Variance of the
+        count, and Scatterplot of mean vs variance for all genes.
 
     Raises:
         ValueError: If there are no files in directory
 
     """
+
     # Open each file in the input directory, raises error if no file is found
     files = [file for file in glob(filepath)]
 

src/parser_meanvar.py

-"""Parses meanvariancefunction"""
+"""Parses meanvariancefunction."""
 
 import argparse
 from meanvariancefunction import mean_variance as mv