Update pipeline.py

pipeline.py

@@ -677,6 +677,8 @@ class UltraRobustCallAnalytics:
         """Analyze formant frequencies (F1, F2) for gender detection"""
         try:
             # Use Praat for formant analysis
+            import parselmouth
+            from parselmouth.praat import call
             snd = parselmouth.Sound(audio, sampling_frequency=sr)
             formant = snd.to_formant_burg()
             
@@ -721,8 +723,9 @@ class UltraRobustCallAnalytics:
                     gender = "FEMALE"
                 confidence = 0.5
             
-            return gender, confidence
-            
+            return gender, confidence    
+        except ImportError:
+            return "UNKNOWN", 0.0
         except Exception as e:
             return "UNKNOWN", 0.0