15 files changed, 31 insertions, 31 deletions
diff --git a/gr-filter/examples/gr_filtdes_callback.py b/gr-filter/examples/gr_filtdes_callback.py
index d088f929a3..d27943174e 100644
--- a/gr-filter/examples/gr_filtdes_callback.py
+++ b/gr-filter/examples/gr_filtdes_callback.py
@@ -11,9 +11,9 @@
 from gnuradio.filter import filter_design
 import sys
 try:
-    from PyQt4 import Qt, QtCore, QtGui
+    from PyQt5 import Qt, QtCore, QtGui
 except ImportError:
-    print("Please install PyQt4 to run this script (http://www.riverbankcomputing.co.uk/software/pyqt/download)")
+    print("Please install PyQt5 to run this script (http://www.riverbankcomputing.co.uk/software/pyqt/download)")
     raise SystemExit(1)
 
 '''
diff --git a/gr-filter/examples/gr_filtdes_live_upd.py b/gr-filter/examples/gr_filtdes_live_upd.py
index 2cd3b9038f..d173388137 100644
--- a/gr-filter/examples/gr_filtdes_live_upd.py
+++ b/gr-filter/examples/gr_filtdes_live_upd.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 #
-# Copyright 2012 Free Software Foundation, Inc.
+# Copyright 2012,2020 Free Software Foundation, Inc.
 #
 # This file is part of GNU Radio
 #
@@ -15,10 +15,10 @@ import sys
 
 try:
     from gnuradio import qtgui
-    from PyQt4 import QtGui, QtCore
+    from PyQt5 import QtGui, QtCore
     import sip
 except ImportError:
-    sys.stderr.write("Error: Program requires PyQt4 and gr-qtgui.\n")
+    sys.stderr.write("Error: Program requires PyQt5 and gr-qtgui.\n")
     sys.exit(1)
 
 
@@ -72,7 +72,7 @@ class my_top_block(gr.top_block):
         pyQt  = self.snk1.pyqwidget()
 
         # Wrap the pointer as a PyQt SIP object
-        # This can now be manipulated as a PyQt4.QtGui.QWidget
+        # This can now be manipulated as a PyQt5.QtGui.QWidget
         pyWin = sip.wrapinstance(pyQt, QtGui.QWidget)
         pyWin.show()
 
diff --git a/gr-filter/examples/gr_filtdes_restrict.py b/gr-filter/examples/gr_filtdes_restrict.py
index 24c9d8f4b9..e707895717 100644
--- a/gr-filter/examples/gr_filtdes_restrict.py
+++ b/gr-filter/examples/gr_filtdes_restrict.py
@@ -11,9 +11,9 @@
 from gnuradio.filter import filter_design
 import sys
 try:
-    from PyQt4 import Qt, QtCore, QtGui
+    from PyQt5 import Qt, QtCore, QtGui
 except ImportError:
-    print("Please install PyQt4 to run this script (http://www.riverbankcomputing.co.uk/software/pyqt/download)")
+    print("Please install PyQt5 to run this script (http://www.riverbankcomputing.co.uk/software/pyqt/download)")
     raise SystemExit(1)
 
 
diff --git a/gr-qtgui/apps/uhd_display.py b/gr-qtgui/apps/uhd_display.py
index aebb3421c2..71d84d3fe1 100644
--- a/gr-qtgui/apps/uhd_display.py
+++ b/gr-qtgui/apps/uhd_display.py
@@ -19,10 +19,10 @@ import sys
 
 try:
     from gnuradio import qtgui
-    from PyQt4 import QtGui, QtCore
+    from PyQt5 import QtGui, QtCore
     import sip
 except ImportError:
-    print("Error: Program requires PyQt4 and gr-qtgui.")
+    print("Error: Program requires PyQt5 and gr-qtgui.")
     sys.exit(1)
 
 try:
@@ -206,7 +206,7 @@ class my_top_block(gr.top_block):
 
         # Get the reference pointer to the SpectrumDisplayForm QWidget
         # Wrap the pointer as a PyQt SIP object
-        #     This can now be manipulated as a PyQt4.QtGui.QWidget
+        #     This can now be manipulated as a PyQt5.QtGui.QWidget
         self.pysink = sip.wrapinstance(self.snk.pyqwidget(), QtGui.QWidget)
 
         self.main_win = main_window(self.pysink, self)
diff --git a/gr-qtgui/apps/usrp_display_qtgui.py b/gr-qtgui/apps/usrp_display_qtgui.py
index 4c9de3a53c..d14c7535c8 100644
--- a/gr-qtgui/apps/usrp_display_qtgui.py
+++ b/gr-qtgui/apps/usrp_display_qtgui.py
@@ -7,7 +7,7 @@
 #
 # WARNING! All changes made in this file will be lost!
 
-from PyQt4 import QtCore, QtGui
+from PyQt5 import QtCore, QtGui
 
 class Ui_MainWindow(object):
     def setupUi(self, MainWindow):
diff --git a/gr-qtgui/docs/qtgui.dox b/gr-qtgui/docs/qtgui.dox
index 5790d88a97..4d1b41e742 100644
--- a/gr-qtgui/docs/qtgui.dox
+++ b/gr-qtgui/docs/qtgui.dox
@@ -128,11 +128,11 @@ when asking for the delay outside of the available range.
 
 The QT GUI blocks require the following dependencies.
 
-\li QtCore (version >= 4.4)
-\li QtGui (version >= 4.4)
-\li QtOpenGL (version >= 4.4)
+\li QtCore (version >= 5.6)
+\li QtGui (version >= 5.6)
+\li QtOpenGL (version >= 5.6)
 \li PyQt5 for Qt5 (version >= 5.0)
-\li Qwt (version >= 5.2)
+\li Qwt (version >= 6.1)
 
 \section qtgui_usage Usage
 
@@ -150,7 +150,7 @@ qapp's "exec_()" function is called. This function is a blocking call
 while the GUI is alive.
 
 \code
-from PyQt4 import Qt
+from PyQt5 import Qt
 from gnuradio import qtgui
 import sys, sip
 
diff --git a/gr-qtgui/examples/pyqt_waterfall_c.py b/gr-qtgui/examples/pyqt_waterfall_c.py
index 74abafd23f..f0b3cf4e5e 100644
--- a/gr-qtgui/examples/pyqt_waterfall_c.py
+++ b/gr-qtgui/examples/pyqt_waterfall_c.py
@@ -17,7 +17,7 @@ try:
     from PyQt5 import QtWidgets, Qt
     import sip
 except ImportError:
-    sys.stderr.write("Error: Program requires PyQt4 and gr-qtgui.\n")
+    sys.stderr.write("Error: Program requires PyQt5 and gr-qtgui.\n")
     sys.exit(1)
 
 try:
diff --git a/gr-qtgui/python/qtgui/range.py.cmakein b/gr-qtgui/python/qtgui/range.py.cmakein
index ae3ab759e9..2a055e4243 100755
--- a/gr-qtgui/python/qtgui/range.py.cmakein
+++ b/gr-qtgui/python/qtgui/range.py.cmakein
@@ -370,7 +370,7 @@ class RangeWidget(QtWidgets.QWidget):
                 self.first = False
 
 if __name__ == "__main__":
-    from PyQt4 import Qt
+    from PyQt5 import Qt
     import sys
 
     def valueChanged(frequency):
diff --git a/gr-utils/plot_tools/gr_plot_qt b/gr-utils/plot_tools/gr_plot_qt
index 5b9f9cf90a..aada9e0bba 100755
--- a/gr-utils/plot_tools/gr_plot_qt
+++ b/gr-utils/plot_tools/gr_plot_qt
@@ -9,13 +9,13 @@ except ImportError:
     raise SystemExit(1)
 
 try:
-    from PyQt4 import Qt, QtCore, QtGui
+    from PyQt5 import Qt, QtCore, QtGui
 except ImportError:
-    print("Please install PyQt4 to run this script (http://www.riverbankcomputing.co.uk/software/pyqt/download)")
+    print("Please install PyQt5 to run this script (http://www.riverbankcomputing.co.uk/software/pyqt/download)")
     raise SystemExit(1)
 
 try:
-    import PyQt4.Qwt5 as Qwt
+    import PyQt5.Qwt as Qwt
 except ImportError:
     print("Please install PyQwt5 to run this script (http://pyqwt.sourceforge.net/)")
     raise SystemExit(1)
diff --git a/gr-utils/plot_tools/pyqt_filter.py b/gr-utils/plot_tools/pyqt_filter.py
index 0c781f2347..d56e45a056 100644
--- a/gr-utils/plot_tools/pyqt_filter.py
+++ b/gr-utils/plot_tools/pyqt_filter.py
@@ -7,7 +7,7 @@
 #
 # WARNING! All changes made in this file will be lost!
 
-from PyQt4 import QtCore, QtGui
+from PyQt5 import QtCore, QtGui
 
 class Ui_MainWindow(object):
     def setupUi(self, MainWindow):
@@ -431,5 +431,5 @@ class Ui_MainWindow(object):
         self.action_open.setShortcut(QtGui.QApplication.translate("MainWindow", "Ctrl+O", None, QtGui.QApplication.UnicodeUTF8))
 
 #from qwt_plot import QwtPlot
-from PyQt4.Qwt5 import QwtPlot
+from PyQt5.Qwt import QwtPlot
 
diff --git a/gr-utils/plot_tools/pyqt_plot.py b/gr-utils/plot_tools/pyqt_plot.py
index bec30c32ad..2d4df6c5a7 100644
--- a/gr-utils/plot_tools/pyqt_plot.py
+++ b/gr-utils/plot_tools/pyqt_plot.py
@@ -6,7 +6,7 @@
 #
 # WARNING! All changes made in this file will be lost!
 
-from PyQt4 import QtCore, QtGui
+from PyQt5 import QtCore, QtGui
 
 try:
     _fromUtf8 = QtCore.QString.fromUtf8
@@ -268,4 +268,4 @@ class Ui_MainWindow(object):
         self.action_exit.setText(_translate("MainWindow", "E&xit", None))
         self.action_reload.setText(_translate("MainWindow", "&Reload", None))
 
-from PyQt4 import Qwt5
+from PyQt5 import Qwt
diff --git a/gr-zeromq/examples/python/fixui4py.sh b/gr-zeromq/examples/python/fixui4py.sh
index d2978000bf..a66e52e3a8 100755
--- a/gr-zeromq/examples/python/fixui4py.sh
+++ b/gr-zeromq/examples/python/fixui4py.sh
@@ -1,2 +1,2 @@
 #!/bin/bash
-sed -i 's/qwt_plot.h/PyQt4.Qwt5.Qwt/' $1
+sed -i 's/qwt_plot.h/PyQt5.Qwt5.Qwt/' $1
diff --git a/gr-zeromq/examples/python/gui.py b/gr-zeromq/examples/python/gui.py
index 7d19735482..3105470ec7 100644
--- a/gr-zeromq/examples/python/gui.py
+++ b/gr-zeromq/examples/python/gui.py
@@ -14,8 +14,8 @@ from gnuradio.eng_arg import eng_float, intx
 import gui
 import sys
 import os
-from PyQt4 import Qt, QtGui, QtCore, uic
-import PyQt4.Qwt5 as Qwt
+from PyQt5 import Qt, QtGui, QtCore, uic
+import PyQt5.Qwt5 as Qwt
 from gnuradio import zeromq
 import signal
 
diff --git a/gr-zeromq/examples/python/main_window.ui b/gr-zeromq/examples/python/main_window.ui
index 14f810e67d..02233f95bd 100644
--- a/gr-zeromq/examples/python/main_window.ui
+++ b/gr-zeromq/examples/python/main_window.ui
@@ -191,7 +191,7 @@
   <customwidget>
    <class>QwtPlot</class>
    <extends>QFrame</extends>
-   <header>PyQt4.Qwt5.Qwt</header>
+   <header>PyQt5.Qwt5.Qwt</header>
   </customwidget>
  </customwidgets>
  <resources/>
diff --git a/grc/tests/resources/file3.block.yml b/grc/tests/resources/file3.block.yml
index 592ad94f6c..42712c5eb0 100644
--- a/grc/tests/resources/file3.block.yml
+++ b/grc/tests/resources/file3.block.yml
@@ -37,7 +37,7 @@ asserts:
 - ${value in (true, false)}
 
 templates:
-    imports: from PyQt4 import Qt
+    imports: from PyQt5 import Qt
     var_make: self.${id} = ${id} = ${value}
     callbacks:
     - self.set_${id}(${value})