fix: flake 8 linting complaince

Author: Nazzcodek

app/core/error_handling.py

@@ -258,7 +258,7 @@ async def add(
 
         # Prevent unlimited growth
         if len(self.failed_messages) > self.max_size:
-            self.failed_messages = self.failed_messages[-self.max_size :]
+            self.failed_messages = self.failed_messages[-self.max_size:]
 
         logger.error(
             "message_added_to_dlq",

app/db/session.py

@@ -105,8 +105,6 @@ async def endpoint(db: AsyncSession = Depends(get_db)):
 
 async def close_db() -> None:
     """Close database connections and dispose of engine."""
-    global engine
-
     if engine is not None:
         await engine.dispose()
         logger.info("database_connections_closed")

app/processing/ai_analyzer.py

@@ -269,7 +269,8 @@ def _build_analysis_prompt(self, log: LogEntry, context: Optional[Dict[str, Any]
                 "3. `severity`: Severity level (LOW/MEDIUM/HIGH/CRITICAL)",
                 "4. `impact`: Impact on system/users (LOW/MEDIUM/HIGH)",
                 "5. `recommendations`: Array of 3 specific actionable recommendations",
-                "6. `estimated_resolution_time`: Estimated time to resolve (e.g., '15 minutes', '2 hours')",
+                "6. `estimated_resolution_time`: Estimated time to resolve "
+                "(e.g., '15 minutes', '2 hours')",
                 "7. `confidence`: Your confidence in this analysis (0.0 to 1.0)",
                 "\nRespond with valid JSON only.",
             ]

app/services/analysis_service.py

@@ -197,7 +197,7 @@ async def perform_comprehensive_analysis(
         # 5. Create summary
         summary = f"Comprehensive analysis of {service_name} service. "
         summary += f"""
-        Analyzed {total_logs} logs with {error_count} errors ({error_rate:.1f}% error rate). 
+        Analyzed {total_logs} logs with {error_count} errors ({error_rate:.1f}% error rate).
         """
         summary += f"Found {len(anomalies)} anomalies and {len(ai_insights)} AI insights."
 

app/services/pattern_service.py

@@ -225,7 +225,10 @@ async def analyze_pattern_trends(
             pattern_types[pattern.pattern_type] = pattern_types.get(pattern.pattern_type, 0) + 1
 
             # Severity distribution
-            severity_range = f"{int(pattern.severity_score * 10) * 10}-{int(pattern.severity_score * 10) * 10 + 10}"
+            severity_range = (
+                f"{int(pattern.severity_score * 10) * 10}-"
+                f"{int(pattern.severity_score * 10) * 10 + 10}"
+            )
             severity_distribution[severity_range] = (
                 severity_distribution.get(severity_range, 0) + 1
             )