diff --git a/py4DSTEM/braggvectors/diskdetection.py b/py4DSTEM/braggvectors/diskdetection.py
index e329d193e..a66ff62ea 100644
--- a/py4DSTEM/braggvectors/diskdetection.py
+++ b/py4DSTEM/braggvectors/diskdetection.py
@@ -10,6 +10,7 @@
 from py4DSTEM.datacube import DataCube
 from py4DSTEM.preprocess.utils import get_maxima_2D
 from py4DSTEM.process.utils.cross_correlate import get_cross_correlation_FT
+
 try:
     from py4DSTEM.braggvectors.diskdetection_aiml import find_Bragg_disks_aiml
 except (ImportError, ModuleNotFoundError):
diff --git a/py4DSTEM/io/filereaders/__init__.py b/py4DSTEM/io/filereaders/__init__.py
index eb5cd02e1..372275f11 100644
--- a/py4DSTEM/io/filereaders/__init__.py
+++ b/py4DSTEM/io/filereaders/__init__.py
@@ -2,6 +2,7 @@
 from py4DSTEM.io.filereaders.read_K2 import read_gatan_K2_bin
 from py4DSTEM.io.filereaders.empad import read_empad
 from py4DSTEM.io.filereaders.read_mib import load_mib
+
 try:
     from py4DSTEM.io.filereaders.read_arina import read_arina
 except (ImportError, ModuleNotFoundError):
diff --git a/py4DSTEM/io/importfile.py b/py4DSTEM/io/importfile.py
index 73e402de0..b3002c77e 100644
--- a/py4DSTEM/io/importfile.py
+++ b/py4DSTEM/io/importfile.py
@@ -90,6 +90,7 @@ def import_file(
         data = load_mib(filepath, mem=mem, binfactor=binfactor, **kwargs)
     elif filetype == "arina":
         from py4DSTEM.io.filereaders import read_arina
+
         data = read_arina(filepath, mem=mem, binfactor=binfactor, **kwargs)
     elif filetype == "abTEM":
         data = read_abTEM(filepath, mem=mem, binfactor=binfactor, **kwargs)
diff --git a/py4DSTEM/process/__init__.py b/py4DSTEM/process/__init__.py
index 8acee4e3c..b04451913 100644
--- a/py4DSTEM/process/__init__.py
+++ b/py4DSTEM/process/__init__.py
@@ -4,11 +4,13 @@
 from py4DSTEM.process import phase
 from py4DSTEM.process import calibration
 from py4DSTEM.process import utils
+
 try:
     from py4DSTEM.process import classification
 except (ImportError, ModuleNotFoundError):
     pass
 from py4DSTEM.process import diffraction
+
 try:
     from py4DSTEM.process import wholepatternfit
 except (ImportError, ModuleNotFoundError):
diff --git a/py4DSTEM/process/diffraction/crystal_viz.py b/py4DSTEM/process/diffraction/crystal_viz.py
index d3e4b682a..b5a22d609 100644
--- a/py4DSTEM/process/diffraction/crystal_viz.py
+++ b/py4DSTEM/process/diffraction/crystal_viz.py
@@ -453,7 +453,8 @@ def plot_scattering_intensity(
     int_sf_plot = calc_1D_profile(
         k,
         self.g_vec_leng,
-        (self.struct_factors_int**int_power_scale) * (self.g_vec_leng**k_power_scale),
+        (self.struct_factors_int**int_power_scale)
+        * (self.g_vec_leng**k_power_scale),
         remove_origin=True,
         k_broadening=k_broadening,
         int_scale=int_scale,
@@ -1883,7 +1884,6 @@ def plot_clusters(
 
     for a0 in range(self.cluster_sizes.shape[0]):
         if self.cluster_sizes[a0] >= area_min:
-
             if outline_grains:
                 from skimage.morphology import erosion
 
diff --git a/py4DSTEM/process/phase/utils.py b/py4DSTEM/process/phase/utils.py
index 2834e8c2e..0ed82f703 100644
--- a/py4DSTEM/process/phase/utils.py
+++ b/py4DSTEM/process/phase/utils.py
@@ -202,7 +202,9 @@ def evaluate_gaussian_envelope(
         self, alpha: Union[float, np.ndarray]
     ) -> Union[float, np.ndarray]:
         xp = self._xp
-        return xp.exp(-0.5 * self._gaussian_spread**2 * alpha**2 / self._wavelength**2)
+        return xp.exp(
+            -0.5 * self._gaussian_spread**2 * alpha**2 / self._wavelength**2
+        )
 
     def evaluate_spatial_envelope(
         self, alpha: Union[float, np.ndarray], phi: Union[float, np.ndarray]
@@ -1755,6 +1757,7 @@ def unwrap_phase_2d(array, weights=None, gauge=None, corner_centered=True, xp=np
 
 def unwrap_phase_2d_skimage(array, corner_centered=True, xp=np):
     from skimage.restoration import unwrap_phase
+
     if xp is np:
         array = array.astype(np.float64)
         unwrapped_array = unwrap_phase(array, wrap_around=corner_centered).astype(
diff --git a/py4DSTEM/utils/configuration_checker.py b/py4DSTEM/utils/configuration_checker.py
index 6edf44ffc..cbdbd2881 100644
--- a/py4DSTEM/utils/configuration_checker.py
+++ b/py4DSTEM/utils/configuration_checker.py
@@ -6,8 +6,7 @@
 from importlib.util import find_spec
 
 # need a mapping of pypi/conda names to import names
-import_mapping_dict = {
-}
+import_mapping_dict = {}
 
 
 # programatically get all possible requirements in the import name style
@@ -523,8 +522,7 @@ def print_no_extra_checks(m: str):
 
 
 # dict of extra check functions
-funcs_dict = {
-}
+funcs_dict = {}
 
 
 #### main function used to check the configuration of the installation