Fix pydocstyle

Author: HardNorth

reportportal_client/helpers/common_helpers.py

@@ -587,7 +587,7 @@ def caseless_equal(left: str, right: str) -> bool:
 
 
 def clean_binary_characters(text: str) -> str:
-    """Cleans a string from binary characters, replaces them with a question mark inside a diamond."""
+    """Clean a string from binary characters, replace them with a question mark inside a diamond."""
     if not text:
         return ""
     return text.translate(CLEANUP_TABLE)