diff --git a/src/ria_toolkit_oss/signal/block_generator/__init__.py b/src/ria_toolkit_oss/signal/block_generator/__init__.py
index 8f4145e..1801f97 100644
--- a/src/ria_toolkit_oss/signal/block_generator/__init__.py
+++ b/src/ria_toolkit_oss/signal/block_generator/__init__.py
@@ -24,12 +24,7 @@ For detailed examples and API reference, see the documentation.
 """
 
 from .basic import Add, FrequencyShift, MultiplyConstant, PhaseShift
-from .generators import (
-    PAMGenerator,
-    PSKGenerator,
-    QAMGenerator,
-    SignalGenerator,
-)
+from .generators import PAMGenerator, PSKGenerator, QAMGenerator, SignalGenerator
 from .mapping import Mapper, SymbolDemapper
 from .process_block import ProcessBlock
 from .pulse_shaping import (
diff --git a/src/ria_toolkit_oss/view/view_signal.py b/src/ria_toolkit_oss/view/view_signal.py
index 7985d04..f8d5731 100644
--- a/src/ria_toolkit_oss/view/view_signal.py
+++ b/src/ria_toolkit_oss/view/view_signal.py
@@ -295,7 +295,7 @@ def view_sig(
         set_spines(meta_ax, spines)
 
     if logo and os.path.isfile(logo_path):
-        logo_ax = plt.subplot(gs[plot_y_indx + 2:, 2])
+        logo_ax = plt.subplot(gs[plot_y_indx + 2 :, 2])
         logo_ax.axis("off")
 
         try:
diff --git a/src/ria_toolkit_oss/view/view_signal_simple.py b/src/ria_toolkit_oss/view/view_signal_simple.py
index 5dc6ec7..ab56f7d 100644
--- a/src/ria_toolkit_oss/view/view_signal_simple.py
+++ b/src/ria_toolkit_oss/view/view_signal_simple.py
@@ -246,18 +246,20 @@ def view_simple_sig(
             ax2.set_xlabel("Time (s)")
 
         ax1.set_ylabel("Amplitude")
-        ax1.set_title(f"Time Series - {sdr} SDR", loc='left', pad=10)
+        ax1.set_title(f"Time Series - {sdr} SDR", loc="left", pad=10)
         ax1.legend(loc="upper right")
 
         ax2.set_ylabel("Frequency (Hz)")
-        ax2.set_title(f"Spectrogram - {center_freq_hz / 1e6:.1f} MHz ± {sample_rate_hz / 2e6:.1f} MHz", loc='left', pad=10)
+        ax2.set_title(
+            f"Spectrogram - {center_freq_hz / 1e6:.1f} MHz ± {sample_rate_hz / 2e6:.1f} MHz", loc="left", pad=10
+        )
         yticks = ax2.get_yticks()
         ax2.set_yticklabels([f"{y / 1e6:.1f}" for y in yticks])
     elif not compact_mode:
-        ax1.set_title("Time Series", loc='left', pad=10)
+        ax1.set_title("Time Series", loc="left", pad=10)
         ax1.legend(loc="upper right", fontsize=8)
 
-        ax2.set_title("Spectrogram", loc='left', pad=10)
+        ax2.set_title("Spectrogram", loc="left", pad=10)
 
     if ax_constellation is not None:
         constellation_samples = _get_plot_samples(signal=signal, fast_mode=fast_mode, slow_max=50_000, fast_max=20_000)
diff --git a/src/ria_toolkit_oss_cli/ria_toolkit_oss/generate.py b/src/ria_toolkit_oss_cli/ria_toolkit_oss/generate.py
index 7b35a44..f2e14ba 100644
--- a/src/ria_toolkit_oss_cli/ria_toolkit_oss/generate.py
+++ b/src/ria_toolkit_oss_cli/ria_toolkit_oss/generate.py
@@ -39,9 +39,7 @@ from ria_toolkit_oss.signal.block_generator.symbol_modulation import (
     OOKModulator,
     OQPSKModulator,
 )
-from ria_toolkit_oss.transforms.iq_impairments import (
-    iq_imbalance,
-)
+from ria_toolkit_oss.transforms.iq_impairments import iq_imbalance
 from ria_toolkit_oss_cli.ria_toolkit_oss.common import (
     echo_progress,
     echo_verbose,