Issue on Windows 10

[SweRavn]

Got the following issue when running from anaconda with pip installing pyqt5 and pyfda in an environment:

(pyfda) PS C:\Users\rore\bin> pyfdax
[ INFO] [pyfda.pyfda_rc:191] Using 'DejaVu Sans' font.
[ INFO] [pyfda.libs.tree_builder:261] Parsing config file
'C:\Users\rore.pyfda\pyfda.conf' with sections:
[Common]
[Input Widgets]
[Plot Widgets]
[Filter Designs]
[Fixpoint Widgets]

[ INFO] [pyfda.libs.tree_builder:269] Found 3 entries in [Common]
[ INFO] [pyfda.libs.tree_builder:292] No valid user directory specified.
[WARNING] [pyfda.libs.pyfda_lib:140] Version number of migen could not be determined.
[ INFO] [pyfda.libs.tree_builder:537] Found 6 classes in [Input Widgets]:
pyfda.input_widgets.input_specs.Input_Specs
pyfda.input_widgets.input_coeffs.Input_Coeffs
pyfda.input_widgets.input_pz.Input_PZ
pyfda.input_widgets.input_info.Input_Info
pyfda.input_widgets.input_files.Input_Files
pyfda.input_widgets.input_fixpoint_specs.Input_Fixpoint_Specs

c:\users\rore\appdata\local\continuum\anaconda3\envs\pyfda\lib\site-packages\pyfda\plot_widgets\mpl_widget.py:41: MatplotlibDeprecationWarning:
The mathtext.fallback_to_cm rcparam was deprecated in Matplotlib 3.3 and will be removed two minor releases later.
rcParams[key] = pyfda_rc.mpl_rc[key]
c:\users\rore\appdata\local\continuum\anaconda3\envs\pyfda\lib\site-packages\pyfda\plot_widgets\mpl_widget.py:41: MatplotlibDeprecationWarning: Support for setting the 'mathtext.fallback_to_cm' rcParam is deprecated since 3.3 and will be removed two minor releases later; use 'mathtext.fallback : 'cm' instead.
rcParams[key] = pyfda_rc.mpl_rc[key]
c:\users\rore\appdata\local\continuum\anaconda3\envs\pyfda\lib\site-packages\pyfda\plot_widgets\mpl_widget.py:41: MatplotlibDeprecationWarning:
The validate_bool_maybe_none function was deprecated in Matplotlib 3.3 and will be removed two minor releases later.
rcParams[key] = pyfda_rc.mpl_rc[key]
[ INFO] [pyfda.libs.tree_builder:537] Found 6 classes in [Plot Widgets]:
pyfda.plot_widgets.plot_hf.Plot_Hf
pyfda.plot_widgets.plot_phi.Plot_Phi
pyfda.plot_widgets.plot_tau_g.Plot_tau_g
pyfda.plot_widgets.plot_pz.Plot_PZ
pyfda.plot_widgets.plot_impz.Plot_Impz
pyfda.plot_widgets.plot_3d.Plot_3D

[ INFO] [pyfda.libs.tree_builder:537] Found 12 classes in [Filter Designs]:
pyfda.filter_designs.bessel.Bessel
pyfda.filter_designs.butter.Butter
pyfda.filter_designs.cheby1.Cheby1
pyfda.filter_designs.cheby2.Cheby2
pyfda.filter_designs.ellip.Ellip
pyfda.filter_designs.ellip_zero.EllipZeroPhz
pyfda.filter_designs.equiripple.Equiripple
pyfda.filter_designs.firwin.Firwin
pyfda.filter_designs.ma.MA
pyfda.filter_designs.delay.Delay
pyfda.filter_designs.manual.Manual_FIR
pyfda.filter_designs.manual.Manual_IIR

[ INFO] [pyfda.libs.tree_builder:537] Found 2 classes in [Fixpoint Widgets]:
pyfda.fixpoint_widgets.fir_df.FIR_DF_wdg
pyfda.fixpoint_widgets.fx_delay.Delay_wdg

[ INFO] [pyfda.input_widgets.input_specs:302] Start filter design using method
'Equiripple.LPman'
c:\users\rore\appdata\local\continuum\anaconda3\envs\pyfda\lib\site-packages\numpy\lib\type_check.py:461: VisibleDeprecationWarning: Creating an ndarray from ragged nested sequences (which is a list-or-tuple of lists-or-tuples-or ndarrays with different lengths or shapes) is deprecated. If you meant to do this, you must specify 'dtype=object' when creating the ndarray
x = _nx.array(x, subok=True, copy=copy)
[ INFO] [pyfda.input_widgets.input_specs:336] Designed filter with order = 10
c:\users\rore\appdata\local\continuum\anaconda3\envs\pyfda\lib\site-packages\pyfda\input_widgets\input_pz.py:481: VisibleDeprecationWarning: Creating an ndarray from ragged nested sequences (which is a list-or-tuple of lists-or-tuples-or ndarrays with different lengths or shapes) is deprecated. If you meant to do this, you must specify 'dtype=object' when creating the ndarray
self.zpk = np.array(fb.fil[0]['zpk'])# this enforces a deep copy
c:\users\rore\appdata\local\continuum\anaconda3\envs\pyfda\lib\site-packages\pyfda\plot_widgets\mpl_widget.py:241: MatplotlibDeprecationWarning:
The _init_toolbar method was deprecated in Matplotlib 3.3 and will be removed two minor releases later. Please fully initialize the toolbar in your subclass' init; a fully empty _init_toolbar implementation may be kept for compatibility with earlier versions of Matplotlib.
NavigationToolbar.init(self, *args, **kwargs)
c:\users\rore\appdata\local\continuum\anaconda3\envs\pyfda\lib\site-packages\pyfda\plot_widgets\mpl_widget.py:284: MatplotlibDeprecationWarning:
The parent attribute was deprecated in Matplotlib 3.3 and will be removed two minor releases later. Use self.canvas.setParent() instead.
'Zoom full extent', self.parent.plt_full_view)
Traceback (most recent call last):
File "c:\users\rore\appdata\local\continuum\anaconda3\envs\pyfda\lib\runpy.py", line 194, in _run_module_as_main
return _run_code(code, main_globals, None,
File "c:\users\rore\appdata\local\continuum\anaconda3\envs\pyfda\lib\runpy.py", line 87, in run_code
exec(code, run_globals)
File "C:\Users\rore\AppData\Local\Continuum\anaconda3\envs\pyfda\Scripts\pyfdax.exe_main.py", line 7, in
File "c:\users\rore\appdata\local\continuum\anaconda3\envs\pyfda\lib\site-packages\pyfda\pyfdax.py", line 290, in main
mainw = pyFDA()
File "c:\users\rore\appdata\local\continuum\anaconda3\envs\pyfda\lib\site-packages\pyfda\pyfdax.py", line 134, in init
self._construct_UI()
File "c:\users\rore\appdata\local\continuum\anaconda3\envs\pyfda\lib\site-packages\pyfda\pyfdax.py", line 147, in _construct_UI
pltTabWidgets = plot_tab_widgets.PlotTabWidgets(self) # plot widgets
File "c:\users\rore\appdata\local\continuum\anaconda3\envs\pyfda\lib\site-packages\pyfda\plot_widgets\plot_tab_widgets.py", line 34, in init
self._construct_UI()
File "c:\users\rore\appdata\local\continuum\anaconda3\envs\pyfda\lib\site-packages\pyfda\plot_widgets\plot_tab_widgets.py", line 72, in _construct_UI
inst = wdg_class(self)
File "c:\users\rore\appdata\local\continuum\anaconda3\envs\pyfda\lib\site-packages\pyfda\plot_widgets\plot_hf.py", line 49, in init
self._construct_ui()
File "c:\users\rore\appdata\local\continuum\anaconda3\envs\pyfda\lib\site-packages\pyfda\plot_widgets\plot_hf.py", line 159, in _construct_ui
self.mplwidget = MplWidget(self)
File "c:\users\rore\appdata\local\continuum\anaconda3\envs\pyfda\lib\site-packages\pyfda\plot_widgets\mpl_widget.py", line 96, in init
self.mplToolbar = MplToolbar(self.pltCanv, self) # inherits all methods
File "c:\users\rore\appdata\local\continuum\anaconda3\envs\pyfda\lib\site-packages\pyfda\plot_widgets\mpl_widget.py", line 241, in init
NavigationToolbar.init(self, *args, **kwargs)
File "c:\users\rore\appdata\local\continuum\anaconda3\envs\pyfda\lib\site-packages\matplotlib\backends\backend_qt5.py", line 687, in init
NavigationToolbar2.init(self, canvas)
File "c:\users\rore\appdata\local\continuum\anaconda3\envs\pyfda\lib\site-packages\matplotlib\backend_bases.py", line 2857, in init
init()
File "c:\users\rore\appdata\local\continuum\anaconda3\envs\pyfda\lib\site-packages\pyfda\plot_widgets\mpl_widget.py", line 284, in _init_toolbar
'Zoom full extent', self.parent.plt_full_view)
AttributeError: 'NoneType' object has no attribute 'plt_full_view'
(pyfda) PS C:\Users\rore\bin>

[chipmuenk]

This is the same issue as #179 - closing. The problem is fixed in the latest develop branch.