chore: upgrade all Python packages and fix linting issues

- Update all dependencies to latest versions (fastmcp, httpx, packaging, etc.)
- Downgrade click from yanked 8.2.2 to stable 8.1.7
- Fix code formatting and linting issues with ruff
- Most tests passing (2 test failures in dependency resolver need investigation)

test_enhanced_stats.py

@@ -4,8 +4,8 @@ Test script for the enhanced PyPI download statistics with fallback mechanisms.
 """
 
 import asyncio
-import sys
 import os
+import sys
 
 # Add the package to Python path
 sys.path.insert(0, os.path.abspath("."))
@@ -33,62 +33,66 @@ async def test_download_stats():
         try:
             # Test recent downloads
             stats = await get_package_download_stats(package_name, period="month")
-            
+
             print(f"Package: {stats.get('package')}")
             print(f"Data Source: {stats.get('data_source')}")
             print(f"Reliability: {stats.get('reliability', 'unknown')}")
-            
-            if stats.get('warning'):
+
+            if stats.get("warning"):
                 print(f"⚠️  Warning: {stats['warning']}")
-            
+
             downloads = stats.get("downloads", {})
-            print(f"Downloads - Day: {downloads.get('last_day', 0):,}, " +
-                  f"Week: {downloads.get('last_week', 0):,}, " +
-                  f"Month: {downloads.get('last_month', 0):,}")
-            
-            if stats.get('data_quality_note'):
+            print(
+                f"Downloads - Day: {downloads.get('last_day', 0):,}, "
+                + f"Week: {downloads.get('last_week', 0):,}, "
+                + f"Month: {downloads.get('last_month', 0):,}"
+            )
+
+            if stats.get("data_quality_note"):
                 print(f"Note: {stats['data_quality_note']}")
 
         except Exception as e:
             print(f"❌ Error: {e}")
 
-    print(f"\n📈 Testing download trends for 'requests':")
+    print("\n📈 Testing download trends for 'requests':")
     print("-" * 50)
 
     try:
         trends = await get_package_download_trends("requests", include_mirrors=False)
-        
+
         print(f"Package: {trends.get('package')}")
         print(f"Data Source: {trends.get('data_source')}")
         print(f"Reliability: {trends.get('reliability', 'unknown')}")
-        
-        if trends.get('warning'):
+
+        if trends.get("warning"):
             print(f"⚠️  Warning: {trends['warning']}")
-        
+
         trend_analysis = trends.get("trend_analysis", {})
         print(f"Data Points: {trend_analysis.get('data_points', 0)}")
         print(f"Total Downloads: {trend_analysis.get('total_downloads', 0):,}")
         print(f"Trend Direction: {trend_analysis.get('trend_direction', 'unknown')}")
-        
-        if trends.get('data_quality_note'):
+
+        if trends.get("data_quality_note"):
             print(f"Note: {trends['data_quality_note']}")
 
     except Exception as e:
         print(f"❌ Error: {e}")
 
-    print(f"\n🏆 Testing top packages:")
+    print("\n🏆 Testing top packages:")
     print("-" * 50)
 
     try:
         top_packages = await get_top_packages_by_downloads(period="month", limit=5)
-        
+
         print(f"Data Source: {top_packages.get('data_source')}")
         print(f"Reliability: {top_packages.get('reliability', 'unknown')}")
-        print(f"Success Rate: {top_packages.get('data_collection_success_rate', 'unknown')}")
-        
-        if top_packages.get('warning'):
+        print(
+            f"Success Rate: {top_packages.get('data_collection_success_rate', 'unknown')}"
+        )
+
+        if top_packages.get("warning"):
             print(f"⚠️  Warning: {top_packages['warning']}")
-        
+
         packages_list = top_packages.get("top_packages", [])
         print(f"\nTop {len(packages_list)} packages:")
         for package in packages_list[:5]:
@@ -107,4 +111,4 @@ async def test_download_stats():
 
 
 if __name__ == "__main__":
-    asyncio.run(test_download_stats())
+    asyncio.run(test_download_stats())