diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 09a567743e7adf10b6145e15feb7de0d343e5031..5adc43efc9311379ebc4978a778816ef7af743ff 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,5 +6,5 @@ default:
 my_tests:
   # Good to put a small description here of what this job does
   script:
-    - echo "Command 1"
-    - echo "Command 2"
+    - black cdna
+    - pylint cdna
diff --git a/cdna/cdna.py b/cdna/cdna.py
index c5f6d318116f4b17cb45fd26476d42295ecd7754..326d90584a7d616329e0191378142d423bc61115 100644
--- a/cdna/cdna.py
+++ b/cdna/cdna.py
@@ -140,7 +140,7 @@ class CDNAGen:
         self.fasta_dict = {x.name: x for x in records}
 
     def read_csv(self) -> None:
-        """ Reads a given copy number csv file
+        """Reads a given copy number csv file
 
         Wrapper for Pandas read_csv.
 
@@ -185,7 +185,7 @@ class CDNAGen:
             id_CSV = str(row["seqname"]).split("_")[1]
             # Calculate Normalized_Binding_Probability and add to GTF dataframe
             df_input_GTF.loc[index, "Normalized_Binding_Probability"] = (
-                    row["Binding_Probability"] / df_normalization_bind_probablility[id_GTF]
+                row["Binding_Probability"] / df_normalization_bind_probablility[id_GTF]
             )
             # Calculate Normalized_Binding_Probability and add to GTF dataframe
             csv_transcript_copy_number = self.df_input_CSV.loc[
diff --git a/cdna/cli.py b/cdna/cli.py
index f3100e0d1afa3a238d834f590a3811e0a1311797..e8e2cd7e3ab674cf8ed90a7b8b2c8cdb077bbeac 100644
--- a/cdna/cli.py
+++ b/cdna/cli.py
@@ -9,14 +9,25 @@ def parser():
         prog="cDNA generator",
         description="Generate cDNA sequences based on primer probabilities.",
     )
-    parser.add_argument("-ifa", "--input_fasta", help="genome fasta file", required=True)
+    parser.add_argument(
+        "-ifa", "--input_fasta", help="genome fasta file", required=True
+    )
     parser.add_argument("-igtf", "--input_gtf", help="gtf file", required=True)
-    parser.add_argument("-ofa", "--output_fasta", help="output fasta file", required=True)
-    parser.add_argument("-icpn", "--input_copy_number", help="input copy number (csv) file", required=True)
-    parser.add_argument("-ocsv", "--output_csv", help="output fasta file", required=True)
+    parser.add_argument(
+        "-ofa", "--output_fasta", help="output fasta file", required=True
+    )
+    parser.add_argument(
+        "-icpn",
+        "--input_copy_number",
+        help="input copy number (csv) file",
+        required=True,
+    )
+    parser.add_argument(
+        "-ocsv", "--output_csv", help="output fasta file", required=True
+    )
     args = parser.parse_args()
 
-    print(' \n'.join(f'{k}={v}' for k, v in vars(args).items()))
+    print(" \n".join(f"{k}={v}" for k, v in vars(args).items()))
     print()
     CDNA = CDNAGen(
         ifasta=args.input_fasta,