diff --git a/TTS/tts/models/tacotron2.py b/TTS/tts/models/tacotron2.py
index af8c47e0..c9750807 100644
--- a/TTS/tts/models/tacotron2.py
+++ b/TTS/tts/models/tacotron2.py
@@ -76,7 +76,7 @@ class Tacotron2(TacotronAbstract):
         gst_style_tokens=10,
         gst_use_speaker_embedding=False,
     ):
-        super(Tacotron2, self).__init__(
+        super().__init__(
             num_chars,
             num_speakers,
             r,
diff --git a/TTS/vocoder/layers/hifigan.py b/TTS/vocoder/layers/hifigan.py
index 11f2ea0c..f5120072 100644
--- a/TTS/vocoder/layers/hifigan.py
+++ b/TTS/vocoder/layers/hifigan.py
@@ -4,7 +4,7 @@ from torch import nn
 # pylint: disable=dangerous-default-value
 class ResStack(nn.Module):
     def __init__(self, kernel, channel, padding, dilations=[1, 3, 5]):
-        super(ResStack, self).__init__()
+        super().__init__()
         resstack = []
         for dilation in dilations:
             resstack += [
diff --git a/TTS/vocoder/models/hifigan_discriminator.py b/TTS/vocoder/models/hifigan_discriminator.py
index 49c877af..a20c17b4 100644
--- a/TTS/vocoder/models/hifigan_discriminator.py
+++ b/TTS/vocoder/models/hifigan_discriminator.py
@@ -82,7 +82,7 @@ class MultiPeriodDiscriminator(torch.nn.Module):
     """
 
     def __init__(self):
-        super(MultiPeriodDiscriminator, self).__init__()
+        super().__init__()
         self.discriminators = nn.ModuleList(
             [
                 DiscriminatorP(2),
@@ -124,7 +124,7 @@ class DiscriminatorS(torch.nn.Module):
     """
 
     def __init__(self, use_spectral_norm=False):
-        super(DiscriminatorS, self).__init__()
+        super().__init__()
         norm_f = nn.utils.spectral_norm if use_spectral_norm else nn.utils.weight_norm
         self.convs = nn.ModuleList(
             [
@@ -165,7 +165,7 @@ class MultiScaleDiscriminator(torch.nn.Module):
     """
 
     def __init__(self):
-        super(MultiScaleDiscriminator, self).__init__()
+        super().__init__()
         self.discriminators = nn.ModuleList(
             [
                 DiscriminatorS(use_spectral_norm=True),
diff --git a/run_tests.sh b/run_tests.sh
deleted file mode 100755
index b4878550..00000000
--- a/run_tests.sh
+++ /dev/null
@@ -1,20 +0,0 @@
-set -e
-TF_CPP_MIN_LOG_LEVEL=3
-
-# # tests
-nosetests tests -x &&\
-
-# # runtime tests
-./tests/test_demo_server.sh && \
-./tests/test_resample.sh && \
-./tests/test_tacotron_train.sh && \
-./tests/test_glow-tts_train.sh && \
-./tests/test_vocoder_gan_train.sh && \
-./tests/test_vocoder_wavernn_train.sh && \
-./tests/test_vocoder_wavegrad_train.sh && \
-./tests/test_speedy_speech_train.sh && \
-./tests/test_aligntts_train.sh && \
-./tests/test_compute_statistics.sh && \
-
-# linter check
-cardboardlinter --refspec main