Add system and Python dependencies for chart generation (matplotlib fix)

process_interview.py

@@ -23,11 +23,12 @@ from reportlab.platypus import SimpleDocTemplate, Paragraph, Spacer, Table, Tabl
 from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
 from reportlab.lib.units import inch
 from reportlab.lib import colors
-import matplotlib.pyplot as plt  # تم تفعيله
-import matplotlib  # إضافة import matplotlib
+import matplotlib.pyplot as plt
+import matplotlib
 
 matplotlib.use('Agg')  # --- FIX: تحديد backend لـ matplotlib ---
-from reportlab.platypus import Image  # تم تفعيله
+from reportlab.platypus import Image
+import io  # --- FIX: إضافة import io لـ BytesIO ---
 # --- End Imports for enhanced PDF ---
 from transformers import AutoTokenizer, AutoModel
 import spacy
@@ -634,7 +635,7 @@ def generate_report(analysis_data: Dict) -> str:
         {voice_interpretation}
 
         **3. Content Analysis & Strengths/Areas for Development**
-        Analyze the key themes and identify both strengths and and areas for development in the interviewee's responses.
+        Analyze the key themes and identify both strengths and areas for development in the interviewee's responses.
         Key responses from interviewee (for context):
         {chr(10).join(interviewee_responses)}