chore: Remove unused imports/variables and improve exception handling clarity

api/architect/analyzer.py

@@ -5,7 +5,6 @@
 """
 
 import ast
-import os
 from dataclasses import dataclass, field
 from typing import Optional
 from pathlib import Path
@@ -194,6 +193,8 @@ def analyze_module(module_path: str) -> ModuleMetrics:
             if isinstance(tree.body[0].value, ast.Constant):
                 has_docstring = True
     except SyntaxError:
+        # Ignore syntax errors here; docstring detection is best-effort.
+        # Full syntax error handling is performed when analyzing the module below.
         pass
 
     analyzer = CodeAnalyzer(source)
@@ -243,6 +244,8 @@ def analyze_package(package_path: str) -> list[ModuleMetrics]:
         try:
             results.append(analyze_module(str(py_file)))
         except Exception:
+            # Intentionally ignore errors for individual modules so that analysis
+            # can continue for the rest of the package.
             pass
 
     return results

api/design.py

@@ -263,8 +263,9 @@ def _save_results(self, results: list, output_dir: str, verbose: bool = False):
             if len(results) >= 2:
                 try:
                     self._generate_pareto_plot(results_data, output_dir, verbose)
-                except ImportError:
-                    pass
+                except ImportError as e2:
+                    if verbose:
+                        print(f"[Pareto plot skipped - plotting dependency not installed: {e2}]")
 
     def _get_report_specs(self) -> dict:
         """Get specifications dict for report generation."""

api/optimization.py

@@ -15,9 +15,8 @@
     pareto_front = optimizer.run(generations=50)
 """
 
-import math
 from dataclasses import dataclass, field
-from typing import Optional, Callable, Any
+from typing import Optional, Callable
 from abc import ABC, abstractmethod
 
 

api/report.py

@@ -13,7 +13,6 @@
 import os
 import json
 from typing import List, Optional, Dict, Any
-from dataclasses import dataclass
 
 
 def _ensure_matplotlib():
@@ -144,8 +143,8 @@ def _plot_pareto_front(ax, data: list, plt, np):
     # Color by rank
     colors = plt.cm.RdYlGn_r(np.linspace(0, 1, len(data)))
 
-    scatter = ax.scatter(core_losses, copper_losses, s=sizes, c=colors,
-                        edgecolors='black', linewidths=1, alpha=0.8)
+    ax.scatter(core_losses, copper_losses, s=sizes, c=colors,
+               edgecolors='black', linewidths=1, alpha=0.8)
 
     # Mark Pareto-optimal points
     pareto_mask = _find_pareto_front(core_losses, copper_losses)

examples/common.py

@@ -4,7 +4,6 @@
 Provides standardized output generation for all examples.
 """
 
-import os
 from pathlib import Path
 from typing import List, Any, Optional, Dict
 

tas/models/components.py

@@ -3,7 +3,7 @@
 """
 
 from dataclasses import dataclass, field
-from typing import Optional, List, Dict, Any
+from typing import Optional, List
 from enum import Enum
 
 

tas/models/outputs.py

@@ -2,8 +2,8 @@
 TAS Output models - Simplified results for basic DC-DC converters.
 """
 
-from dataclasses import dataclass, field
-from typing import Optional, Dict
+from dataclasses import dataclass
+from typing import Optional
 
 
 @dataclass

tas/models/waveforms.py

@@ -7,7 +7,6 @@
 from dataclasses import dataclass
 from typing import List
 from enum import Enum
-import math
 
 
 class WaveformShape(Enum):

tests/test_bobbin_extended.py

@@ -3,7 +3,6 @@
 
 Covers create_basic_bobbin(), bobbin data access, and bobbin fitting checks.
 """
-import pytest
 import PyOpenMagnetics
 
 

tests/test_design_builder.py

@@ -1,7 +1,9 @@
 """Tests for PyOpenMagnetics Design Builder API."""
 
 import pytest
-import math
+
+# Test configuration
+MAX_RESULTS = 5
 
 
 class TestDesignImports:

tests/test_losses.py

@@ -4,7 +4,6 @@
 Covers core losses (multiple models), winding losses (ohmic, skin, proximity),
 wire-level per-meter loss functions, and Steinmetz coefficients.
 """
-import pytest
 import PyOpenMagnetics
 
 

tests/test_mas_dataclasses.py

@@ -15,8 +15,6 @@
     DimensionWithTolerance,
     CTI,
     InsulationType,
-    OvervoltageCategory,
-    PollutionDegree,
     InsulationStandards,
     InsulationRequirements,
     IsolationSide,
@@ -25,19 +23,15 @@
     DesignRequirements,
     Topology,
     OperatingConditions,
-    Cooling,
     Harmonics,
     WaveformLabel,
     Processed,
     Waveform,
     SignalDescriptor,
-    OperatingPointExcitation,
     OperatingPoint,
     Inputs,
     ManufacturerInfo,
     Status,
-    Outputs,
-    Mas,
     Masfromdict,
     Mastodict,
     from_float,

tests/test_settings_extended.py

@@ -4,7 +4,6 @@
 Covers get_settings(), set_settings(), reset_settings(),
 get_constants(), and get_default_models().
 """
-import pytest
 import PyOpenMagnetics
 
 

tests/test_tas_basic.py

@@ -4,7 +4,6 @@
 
 import pytest
 import json
-import os
 from pathlib import Path
 
 from tas import (
@@ -25,7 +24,6 @@
     ModulationType,
     ControlMode,
     OperatingMode,
-    TASOutputs,
     TASLossBreakdown,
     TASKPIs,
     create_buck_tas,

tests/test_utils.py

@@ -4,8 +4,6 @@
 Covers waveform processing, harmonics, sampled waveform generation,
 power calculations, and reflected waveform transformations.
 """
-import pytest
-import math
 import PyOpenMagnetics