style: apply black 26.1.0 formatting

jeongyoonlee · jeongyoonlee · commit 12addcf5df6b · 2026-01-30T17:54:23.000-08:00
- Upgrade black from &gt;=25.1.0 to &gt;=26.1.0 in pyproject.toml
- Apply black 26.1.0 formatting to 13 files
- Fixes CI lint errors
diff --git a/causalml/dataset/synthetic.py b/causalml/dataset/synthetic.py
@@ -19,7 +19,6 @@
 from causalml.propensity import ElasticNetPropensityModel
 from causalml.metrics import plot_gain, get_cumgain
 
-
 plt.style.use("fivethirtyeight")
 warnings.filterwarnings("ignore")
 
diff --git a/causalml/features.py b/causalml/features.py
@@ -4,7 +4,6 @@
 from scipy import sparse
 from sklearn import base
 
-
 logger = logging.getLogger("causalml")
 
 
diff --git a/causalml/inference/meta/base.py b/causalml/inference/meta/base.py
@@ -7,7 +7,6 @@
 from causalml.inference.meta.utils import check_p_conditions, convert_pd_to_np
 from causalml.propensity import compute_propensity_score
 
-
 logger = logging.getLogger("causalml")
 
 
diff --git a/causalml/inference/meta/drlearner.py b/causalml/inference/meta/drlearner.py
@@ -16,7 +16,6 @@
 from causalml.metrics import regression_metrics, classification_metrics
 from causalml.propensity import compute_propensity_score
 
-
 logger = logging.getLogger("causalml")
 
 
diff --git a/causalml/inference/meta/rlearner.py b/causalml/inference/meta/rlearner.py
@@ -15,7 +15,6 @@
 )
 from causalml.propensity import ElasticNetPropensityModel
 
-
 logger = logging.getLogger("causalml")
 
 
diff --git a/causalml/inference/meta/slearner.py b/causalml/inference/meta/slearner.py
@@ -10,7 +10,6 @@
 from causalml.inference.meta.utils import check_treatment_vector, convert_pd_to_np
 from causalml.metrics import regression_metrics, classification_metrics
 
-
 logger = logging.getLogger("causalml")
 
 
diff --git a/causalml/inference/meta/tlearner.py b/causalml/inference/meta/tlearner.py
@@ -18,7 +18,6 @@
 from causalml.inference.meta.utils import check_treatment_vector, convert_pd_to_np
 from causalml.metrics import regression_metrics, classification_metrics
 
-
 logger = logging.getLogger("causalml")
 
 
diff --git a/causalml/inference/meta/tmle.py b/causalml/inference/meta/tmle.py
@@ -12,7 +12,6 @@
     convert_pd_to_np,
 )
 
-
 logger = logging.getLogger("causalml")
 
 
diff --git a/causalml/metrics/classification.py b/causalml/metrics/classification.py
@@ -4,7 +4,6 @@
 from .const import EPS
 from .regression import regression_metrics
 
-
 logger = logging.getLogger("causalml")
 
 
diff --git a/causalml/metrics/regression.py b/causalml/metrics/regression.py
@@ -6,7 +6,6 @@
 
 from .const import EPS
 
-
 logger = logging.getLogger("causalml")
 
 
diff --git a/causalml/metrics/visualize.py b/causalml/metrics/visualize.py
@@ -7,7 +7,6 @@
 from lightgbm import LGBMRegressor
 from ..inference.meta.tmle import TMLELearner
 
-
 plt.style.use("fivethirtyeight")
 sns.set_palette("Paired")
 RANDOM_COL = "Random"
diff --git a/causalml/optimize/policylearner.py b/causalml/optimize/policylearner.py
@@ -6,7 +6,6 @@
 from sklearn.model_selection import KFold
 from sklearn.tree import DecisionTreeClassifier
 
-
 logger = logging.getLogger("causalml")
 
 
diff --git a/causalml/propensity.py b/causalml/propensity.py
@@ -7,7 +7,6 @@
 from sklearn.isotonic import IsotonicRegression
 import xgboost as xgb
 
-
 logger = logging.getLogger("causalml")
 
 
diff --git a/pyproject.toml b/pyproject.toml
@@ -40,7 +40,7 @@ dependencies = [
     "lightgbm",
     "packaging",
     "graphviz",
-    "black>=25.1.0",
+    "black>=26.1.0",
 ]
 
 [project.optional-dependencies]

Original file line number	Diff line number	Diff line change
`@@ -15,7 +15,6 @@`
`15`	`15`	`)`
`16`	`16`	`from causalml.propensity import ElasticNetPropensityModel`
`17`	`17`
`18`		`-`
`19`	`18`	`logger = logging.getLogger("causalml")`
`20`	`19`
`21`	`20`
Original file line number	Diff line number	Diff line change
`@@ -12,7 +12,6 @@`
`12`	`12`	`convert_pd_to_np,`
`13`	`13`	`)`
`14`	`14`
`15`		`-`
`16`	`15`	`logger = logging.getLogger("causalml")`
`17`	`16`
`18`	`17`
Original file line number	Diff line number	Diff line change
`@@ -6,7 +6,6 @@`
`6`	`6`
`7`	`7`	`from .const import EPS`
`8`	`8`
`9`		`-`
`10`	`9`	`logger = logging.getLogger("causalml")`
`11`	`10`
`12`	`11`