dont use TeX when LaTeX is not installed

src/plot.py

@@ -3,6 +3,7 @@ import sys
 import matplotlib.pyplot as plt
 import numpy as np
 import argparse
+import shutil
 
 from typing import List, Tuple, TypedDict
 
@@ -126,8 +127,13 @@ def plot(
     use_tex: bool = False,
 ):
     plt.rc("font", **font)
+
+    if use_tex:
+        if shutil.which("latex") is None:
+            print("LaTeX is not installed, using default rendering")
+        else:
             plt.rcParams.update({
-        "text.usetex": use_tex,
+                "text.usetex": True,
             })
 
     fig, ax = plt.subplots(layout=plot_layout)