Update app.py

app.py

@@ -397,6 +397,8 @@ else:
                 desc_en = metadata.get("description.en", "").strip()
                 desc_de = metadata.get("description.de", "").strip()
                 description = desc_en if desc_en != "" else desc_de
+                if not description:
+                    description = "No project description available"
                 full_snippet = f"{description}"
                 words = full_snippet.split()
                 preview_word_count = 90
@@ -476,6 +478,8 @@ else:
                 desc_en = metadata.get("description.en", "").strip()
                 desc_de = metadata.get("description.de", "").strip()
                 description = desc_en if desc_en != "" else desc_de
+                if not description:
+                    description = "No project description available"              
                 full_snippet = f"{description}"
                 words = full_snippet.split()
                 preview_word_count = 90