commit cada3c35ca8a6a5f6286e9c7140bb1a4e07549a5
Author: Bùi Thành Nhân <hi@imnhan.com>
Date:   Sat Aug 15 10:58:02 2020 +0700

    use import_follwos instead of dumb loop

diff --git a/src/pytaku/main.py b/src/pytaku/main.py
index e5339d8..d7a3288 100644
--- a/src/pytaku/main.py
+++ b/src/pytaku/main.py
@@ -284,7 +284,7 @@ def import_view():
         file = request.files["tachiyomi"]
 
         # if user does not select file, browser also
-        # submit an empty part without filename
+        # submits an empty part without filename
         if file.filename == "":
             flash("No selected file")
             return redirect(request.url)
@@ -300,11 +300,7 @@ def import_view():
             ensure_titles(site_title_pairs)
 
             # Then follow them all
-            for site, title_id in site_title_pairs:
-                follow(session["user"]["id"], site, title_id)
-
-            # Mark them all as "read" too.
-            print("TODO")
+            import_follows(session["user"]["id"], site_title_pairs)
 
             flash(f"Added {len(site_title_pairs)} follows.")
 
diff --git a/src/pytaku/persistence.py b/src/pytaku/persistence.py
index 27e9d36..b651f75 100644
--- a/src/pytaku/persistence.py
+++ b/src/pytaku/persistence.py
@@ -332,5 +332,5 @@ def import_follows(user_id: int, site_title_pairs: List[Tuple[str, str]]):
         """
         INSERT INTO follow (user_id, site, title_id) VALUES (?, ?, ?);
         """,
-        [(user_id, site, title_id) for site, title_id in site_title_pairs],
+        ((user_id, site, title_id) for site, title_id in site_title_pairs),
     )