remove time graph visualiser. More tests. Other fixes

bouquin/tag_browser.py

@@ -14,7 +14,6 @@ from PySide6.QtWidgets import (
 )
 
 from .db import DBManager
-from .tag_graph_dialog import TagGraphDialog
 from . import strings
 from sqlcipher3.dbapi2 import IntegrityError
 
@@ -72,10 +71,6 @@ class TagBrowserDialog(QDialog):
         self.delete_btn.setEnabled(False)
         btn_row.addWidget(self.delete_btn)
 
-        self.tag_graph_btn = QPushButton(strings._("tag_graph"))
-        self.tag_graph_btn.clicked.connect(self._open_tag_graph)
-        btn_row.addWidget(self.tag_graph_btn)
-
         btn_row.addStretch(1)
         layout.addLayout(btn_row)
 
@@ -256,9 +251,3 @@ class TagBrowserDialog(QDialog):
             self._db.delete_tag(tag_id)
             self._populate(None)
             self.tagsModified.emit()
-
-    # ------------ Tag graph handler --------------- #
-    def _open_tag_graph(self):
-        dlg = TagGraphDialog(self._db, self)
-        dlg.resize(800, 600)
-        dlg.exec()