style: apply consistent whitespace and formatting across codebase

tinytorch/tests/regression/run_sandbox_tests.py

@@ -23,16 +23,16 @@ def run_sandbox_tests():
     print("🧪 TINYTORCH SANDBOX INTEGRITY CHECK")
     print("="*60)
     print("\nEnsuring the learning environment is robust...\n")
-    
+
     all_passed = True
     results = []
-    
+
     for test_module in TEST_MODULES:
         try:
             # Import and run the test module
             print(f"Running {test_module}...")
             module = importlib.import_module(test_module)
-            
+
             # Look for a main function or run tests directly
             if hasattr(module, 'main'):
                 result = module.main()
@@ -46,25 +46,25 @@ def run_sandbox_tests():
                     func = getattr(module, func_name)
                     func()
                 result = True
-            
+
             results.append((test_module, True, "PASSED"))
             print(f"  ✅ {test_module}: PASSED\n")
-            
+
         except Exception as e:
             results.append((test_module, False, str(e)))
             print(f"  ❌ {test_module}: FAILED")
             print(f"     Error: {e}\n")
             all_passed = False
-    
+
     # Summary
     print("="*60)
     print("📊 SANDBOX TEST SUMMARY")
     print("="*60)
-    
+
     for module, passed, status in results:
         icon = "✅" if passed else "❌"
         print(f"{icon} {module}: {status}")
-    
+
     if all_passed:
         print("\n🎉 SANDBOX IS ROBUST!")
         print("Students can focus on learning ML systems.")
@@ -79,7 +79,7 @@ if __name__ == "__main__":
     # Add the test directory to path
     test_dir = os.path.dirname(os.path.abspath(__file__))
     sys.path.insert(0, test_dir)
-    
+
     # Run tests
     exit_code = run_sandbox_tests()
-    sys.exit(exit_code)
+    sys.exit(exit_code)