util: fix KeyError on missing last_log in genReport.py

Initialize d["last_log"] = "" before the os.walk loop so that
designs with no .log files report finished=False instead of crashing.

Signed-off-by: Ashnaa Seth <ashnaaseth2325@gmail.com>
Signed-off-by: ashnaaseth2325-oss <ashnaaseth2325@gmail.com>

Author: ashnaaseth2325-oss

flow/util/genReport.py

@@ -264,6 +264,7 @@ def write_summary():
     # check if design ran to completion without errors or warnings
     d["log_errors"] = list()
     d["log_warnings"] = list()
+    d["last_log"] = ""
     for name_ in sorted(files):
         temp_e, temp_w = parse_messages(os.path.join(log_dir, name_))
         d["log_errors"] += temp_e