diff --git a/pdf_oralia/extract.py b/pdf_oralia/extract.py
index d1a7599..a19d587 100644
--- a/pdf_oralia/extract.py
+++ b/pdf_oralia/extract.py
@@ -13,6 +13,10 @@ extract_table_settings = {
 }
 
 
+class ExtractError(Exception):
+    pass
+
+
 def extract_date(page_text):
     """Extract date from a page
 
@@ -123,12 +127,10 @@ def extract_save(pdf_file, dest, save=[]):
     pdf_file = Path(pdf_file)
     xlss = extract_plan(pdf_file, dest)
 
-    if save != []:
-        dfs = from_pdf(pdf_file)
+    dfs = from_pdf(pdf_file)
 
-        for s in save:
-            dfs[s].to_excel(xlss[s], sheet_name=s, index=False)
-            logging.info(f"{xlss[s]} saved")
-        return {k: v for k, v in xlss.items() if k in save}
+    for s in save:
+        dfs[s].to_excel(xlss[s], sheet_name=s, index=False)
+        logging.info(f"{xlss[s]} saved")
 
-    return xlss
+    return {k: v for k, v in xlss.items() if k in save}
diff --git a/pdf_oralia/scripts.py b/pdf_oralia/scripts.py
index f97f41d..02c7ff6 100644
--- a/pdf_oralia/scripts.py
+++ b/pdf_oralia/scripts.py
@@ -62,6 +62,7 @@ def on(pdf_file, dest, force, only_plan):
     else:
         dest = Path(dest)
 
+    assert pdf_file.exists()
     logging.info(f"Found {pdf_file}")
 
     plan_dest = extract_plan(pdf_file, dest)