[FIX](sequence): Sequence typo

biobb_dna/backbone/bipopulations.py

@@ -113,7 +113,7 @@ def launch(self) -> int:
         self.stage_files()
 
         # check sequence
-        if not self.sequence or len(self.sequence) < 2:
+        if self.sequence is None or len(self.sequence) < 2:
             raise ValueError("sequence is null or too short!")
 
         # check seqpos

biobb_dna/backbone/canonicalag.py

@@ -115,7 +115,7 @@ def launch(self) -> int:
         self.stage_files()
 
         # check sequence
-        if not self.sequence or len(self.sequence) < 2:
+        if self.sequence is None or len(self.sequence) < 2:
             raise ValueError("sequence is null or too short!")
 
         # check seqpos
@@ -202,7 +202,7 @@ def get_xlabels(self, strand1, strand2):
         labelsC[-1] = f"{labelsC[-1]}3'"
         labelsC = [f"{i}-{j}" for i, j in zip(labelsC, range(len(labelsC), 0, -1))]
 
-        if self.seqpos is not None:
+        if self.seqpos:
             labelsC = [labelsC[i] for i in self.seqpos]
             labelsW = [labelsW[i] for i in self.seqpos]
         xlabels = labelsW + ["-"] + labelsC

biobb_dna/dna/dna_averages.py

@@ -109,7 +109,7 @@ def launch(self) -> int:
         self.stage_files()
 
         # check sequence
-        if not self.sequence or len(self.sequence) < 2:
+        if self.sequence is None or len(self.sequence) < 2:
             raise ValueError("sequence is null or too short!")
 
         # get helical parameter from filename if not specified

biobb_dna/dna/dna_timeseries.py

@@ -131,7 +131,7 @@ def launch(self) -> int:
         self.stage_files()
 
         # check sequence
-        if not self.sequence or len(self.sequence) < 2:
+        if self.sequence is None or len(self.sequence) < 2:
             raise ValueError("sequence is null or too short!")
 
         # calculate cols with 0 index

biobb_dna/interbp_correlations/interbpcorr.py

@@ -121,7 +121,7 @@ def launch(self) -> int:
         self.stage_files()
 
         # check sequence
-        if not self.sequence or len(self.sequence) < 2:
+        if self.sequence is None or len(self.sequence) < 2:
             raise ValueError("sequence is null or too short!")
 
         # check seqpos

biobb_dna/interbp_correlations/interseqcorr.py

@@ -103,7 +103,7 @@ def launch(self) -> int:
         self.stage_files()
 
         # check sequence
-        if not self.sequence or len(self.sequence) < 2:
+        if self.sequence is None or len(self.sequence) < 2:
             raise ValueError("sequence is null or too short!")
 
         # get helical parameter from filename if not specified