From 1676bceee1c7ca6fae7f67d1f525b26c01776644 Mon Sep 17 00:00:00 2001
From: Tyler Goodlet <jgbt@protonmail.com>
Date: Sat, 7 May 2022 15:24:26 -0400
Subject: [PATCH] Don't offset the start index by a step

---
 piker/data/feed.py | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/piker/data/feed.py b/piker/data/feed.py
index 9f56cfd5..3564e154 100644
--- a/piker/data/feed.py
+++ b/piker/data/feed.py
@@ -308,10 +308,11 @@ async def start_backfill(
         frames = {}
 
         def iter_dts(start: datetime):
+
             while True:
 
                 hist_period = pendulum.period(
-                    start.subtract(seconds=step_size_s),
+                    start,
                     last_tsdb_dt,
                 )
                 dtrange = hist_period.range('seconds', frame_size_s)
@@ -323,8 +324,6 @@ async def start_backfill(
                     # if caller sends a new start date, reset to that
                     if start is not None:
                         log.warning(f'Resetting date range: {start}')
-                        # import pdbpp
-                        # pdbpp.set_trace()
                         break
                 else:
                     # from while