From ca25beb09634cd56a98450b4d30ef2d24babd51a Mon Sep 17 00:00:00 2001
From: Venkata Ratnam Bhumireddy
 <58448762+venkataratnamb20@users.noreply.github.com>
Date: Mon, 21 Sep 2026 18:50:50 +0530
Subject: [PATCH] TypeError: LogScale.__init__() got an unexpected keyword
 argument 'basex'  #408

## Fix

Fix is to change the `basex` argument to `base` in the `bode_diagram` function in teh following file.

[PySpice/Plot/BodeDiagram.py](https://github.com/PySpice-org/PySpice/blob/fe08718d5a1a9af94576b5aef1fa81910f09b037/PySpice/Plot/BodeDiagram.py#L57)

```python
####################################################################################################

import math

from matplotlib import pyplot

####################################################################################################

def bode_diagram_gain(axe, frequency, gain, **kwargs):
   # changed `basex=10` to `base=10`
    axe.semilogx(frequency, gain, base=10, **kwargs)
    axe.grid(True)
    axe.grid(True, which='minor')
    axe.set_xlabel("Frequency [Hz]")
    axe.set_ylabel("Gain [dB]")

####################################################################################################

def bode_diagram_phase(axe, frequency, phase, **kwargs):

   # changed `basex=10` to `base=10`
    axe.semilogx(frequency, phase, base=10, **kwargs)
    axe.set_ylim(-math.pi, math.pi)
    axe.grid(True)
    axe.grid(True, which='minor')
    axe.set_xlabel("Frequency [Hz]")
    axe.set_ylabel("Phase [rads]")
    # axe.set_yticks # Fixme:
    pyplot.yticks((-math.pi, -math.pi/2,0, math.pi/2, math.pi),
                  (r"$-\pi$", r"$-\frac{\pi}{2}$", "0", r"$\frac{\pi}{2}$", r"$\pi$"))

```
---
 PySpice/Plot/BodeDiagram.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/PySpice/Plot/BodeDiagram.py b/PySpice/Plot/BodeDiagram.py
index 5d13f566d..638c86d4c 100644
--- a/PySpice/Plot/BodeDiagram.py
+++ b/PySpice/Plot/BodeDiagram.py
@@ -33,7 +33,7 @@
 
 def bode_diagram_gain(axe, frequency, gain, **kwargs):
 
-    axe.semilogx(frequency, gain, basex=10, **kwargs)
+    axe.semilogx(frequency, gain, base=10, **kwargs)
     axe.grid(True)
     axe.grid(True, which='minor')
     axe.set_xlabel("Frequency [Hz]")
@@ -43,7 +43,7 @@ def bode_diagram_gain(axe, frequency, gain, **kwargs):
 
 def bode_diagram_phase(axe, frequency, phase, **kwargs):
 
-    axe.semilogx(frequency, phase, basex=10, **kwargs)
+    axe.semilogx(frequency, phase, base=10, **kwargs)
     axe.set_ylim(-math.pi, math.pi)
     axe.grid(True)
     axe.grid(True, which='minor')