Update app.py

app.py

@@ -29,8 +29,8 @@ def show_pdf(file_path):
 
 
 @st.experimental_memo
- def dl(file_vcf):
-     with open("output/SBS96/Suggested_Solution/COSMIC_SBS96_Decomposed_Solution/SBS96_Decomposition_Plots.pdf", "rb") as pdf_file:
+def dl(file_vcf):
+    with open("output/SBS96/Suggested_Solution/COSMIC_SBS96_Decomposed_Solution/SBS96_Decomposition_Plots.pdf", "rb") as pdf_file:
         PDFbyte1 = pdf_file.read()
         st.download_button(label="Download image with single base substitution profiles", key='1',
                             data=PDFbyte1,