remove odd lots from output printing

ticker_tape.py

@@ -66,22 +66,10 @@ def flatten_and_sort(data):
     return trades
 
 
-def format_tape_line(trade):
-    """Format a trade like an old ticker tape: SYM  shares  price"""
-    sym = trade["sym"]
-    size = trade["s"]
-    price = trade["p"]
-
-    # Old tickers showed round lots (100s). "2s" meant 200 shares.
-    # A bare price meant 100 shares (1 round lot).
-    if size < 100:
-        vol = f"{size}sh"
-    elif size % 100 == 0:
-        lots = size // 100
-        vol = f"{lots}s" if lots > 1 else ""
-    else:
-        vol = f"{size}sh"
-
+def format_tape_line(sym, lots, price):
+    """Format a trade like an old ticker tape: SYM  lots  price.
+    A bare price means 1 round lot. '2s' means 2 lots (200 shares)."""
+    vol = f"{lots}s" if lots > 1 else ""
     parts = [sym]
     if vol:
         parts.append(vol)
@@ -165,7 +153,7 @@ def main():
                 print(f"{trade['t']},{trade['sym']},{lots},{trade['p']:.2f}")
             else:
                 ts = trade["t"][:19].replace("T", " ")
-                line = format_tape_line(trade)
+                line = format_tape_line(trade["sym"], lots, trade["p"])
                 print(f"{ts}  {line}")
             total += 1