diff --git a/web_programming/crawl_google_scholar_citation.py b/web_programming/crawl_google_scholar_citation.py
index fee483686..12072d0dd 100644
--- a/web_programming/crawl_google_scholar_citation.py
+++ b/web_programming/crawl_google_scholar_citation.py
@@ -6,15 +6,16 @@ using title and year of publication, and volume and pages of journal.
 import requests
 from bs4 import BeautifulSoup
 
+
 def get_citation(base_url: str, params: dict) -> str:
     """
-    Returns the citation number for a publication based on its title, journal, volume, 
+    Returns the citation number for a publication based on its title, journal, volume,
     pages, and year of publication.
-    
+
     Parameters:
     - base_url: The base URL for making requests to Google Scholar.
     - params: A dictionary containing the publication information.
-    
+
     Returns:
     - A string containing the number of citations.
     """
@@ -22,15 +23,16 @@ def get_citation(base_url: str, params: dict) -> str:
     soup = BeautifulSoup(
         requests.get(base_url, params=params, timeout=10).content, "html.parser"
     )
-    
+
     # Find the div element with class 'gs_ri' that contains citation information
     div = soup.find("div", attrs={"class": "gs_ri"})
-    
+
     # Find all links in the div and retrieve the third link (the citation count)
     anchors = div.find("div", attrs={"class": "gs_fl"}).find_all("a")
-    
+
     return anchors[2].get_text()  # Return the text from the third link
 
+
 if __name__ == "__main__":
     # Define parameters for the publication whose citation is to be searched
     params = {
@@ -44,6 +46,6 @@ if __name__ == "__main__":
         "year": 2018,
         "hl": "en",  # Language to be used (English)
     }
-    
+
     # Call the get_citation function with the specified URL and parameters
     print(get_citation("https://scholar.google.com/scholar_lookup", params=params))