"""
MetricsTab removed — functionality moved to core metrics and unified GUI (`pyucc.gui.gui.App`).

This module is a backward-compatible stub: importing it will raise an informative
ImportError pointing users to `pyucc.core.metrics.analyze_file_metrics` and the
unified GUI in `pyucc.gui.gui.App`.
"""

raise ImportError(
    "pyucc.gui.metrics_tab is deprecated — use pyucc.core.metrics.analyze_file_metrics and pyucc.gui.gui.App unified UI instead"
)