Update app.py

app.py

@@ -112,17 +112,25 @@ def merge_duplicates(entries):
             seen_titles.append(entry['title'])
     return unique
 
+
+class PDF(FPDF):
+    def __init__(self):
+        super().__init__()
+        self.set_auto_page_break(auto=True, margin=15)
+        self.add_page()
+        self.set_font("Arial", size=12)
+
+    def add_multiline_text(self, text):
+        for line in text.split('\n'):
+            self.multi_cell(0, 10, line)
+
 def generate_pdf(text):
-    pdf = FPDF()
-    pdf.add_page()
-    pdf.set_auto_page_break(auto=True, margin=15)
-    pdf.set_font("Arial", size=12)
-    for line in text.split('\n'):
-        pdf.multi_cell(0, 10, line)
-    pdf_output = BytesIO()
-    pdf.output(pdf_output)
-    pdf_output.seek(0)
-    return pdf_output
+    pdf = PDF()
+    pdf.add_multiline_text(text.encode('latin-1', 'replace').decode('latin-1'))
+    output = BytesIO()
+    pdf.output(output)
+    output.seek(0)
+    return output
 
 def generate_latex(text):
     latex = "\\documentclass{article}\n\\usepackage{hyperref}\n\\begin{document}\n"