solved the linting issue created in the github linker check

Author: Davda-James

pdf_watermarkadder/main.py

@@ -21,10 +21,11 @@ def makeWatermark():
 
 def makepdf():
     pdf_file = input("PDF file: ")
-    watermark = 'watermark.pdf'
+    watermark = "watermark.pdf"
     merged = "finalDraft.pdf"
-    with open(pdf_file, "rb") as input_file,\
-            open(watermark, "rb") as watermark_file:
+    with open(pdf_file, "rb") as input_file, open(
+        watermark, "rb"
+    ) as watermark_file:
         input_pdf = PdfFileReader(input_file)
         watermark_pdf = PdfFileReader(watermark_file)
         watermark_page = watermark_pdf.getPage(0)