core+gui: timezone-correct datetimes, deep-copy WillItem, dead code removal, explicit imports

bal/gui/qt/widgets.py

@@ -28,8 +28,53 @@ from ...core.input_rules import (
 )
 from ...core.reminders import build_ics_reminders, write_temp_ics
 from .calendar import BalCalendar, BalCalendarButton
-from .common import *
-from .common import _, _logger  # underscore names are not re-exported by "import *"
+from .common import (
+    _,
+    _logger,
+    Any,
+    BTCAmountEdit,
+    BalTimestamp,
+    ColorScheme,
+    DECIMAL_POINT,
+    Decimal,
+    HelpButton,
+    NLOCKTIME_BLOCKHEIGHT_MAX,
+    NLOCKTIME_MAX,
+    Optional,
+    QAbstractSpinBox,
+    QCheckBox,
+    QColor,
+    QComboBox,
+    QDateTime,
+    QDateTimeEdit,
+    QHBoxLayout,
+    QLabel,
+    QLineEdit,
+    QPainter,
+    QPalette,
+    QPushButton,
+    QSizePolicy,
+    QSpinBox,
+    QStyle,
+    QStyleOptionFrame,
+    QTextEdit,
+    QVBoxLayout,
+    QWidget,
+    Qt,
+    Union,
+    Util,
+    Will,
+    char_width_in_lineedit,
+    datetime,
+    getSaveFileName,
+    log_error,
+    os,
+    partial,
+    pyqtSignal,
+    read_QIcon_from_bytes,
+    signature_suffix,
+    status_color,
+)
 
 if TYPE_CHECKING:
     from .window import BalWindow