Return early if no streaks detected

dap/algos/streakfind.py

@@ -128,6 +128,14 @@ def _calc_streakfinder_analysis(results, cryst_data: CrystData):
     peaks = det_obj.detect_peaks(peak_vmin, npts, peaks_structure, num_threads)
     detected = det_obj.detect_streaks(peaks, xtol, streak_vmin, min_size, nfa=nfa,
                                       num_threads=num_threads)
+    if not detected.streaks:
+        results.update({"number_of_streaks": 0})
+        results.update({"is_hit_frame": False})
+        results.update({"streaks": []})
+        results.update({"streak_lengths": []})
+        results.update({"bragg_counts": []})
+        return
+
     if isinstance(detected, list):
         detected = detected[0]