Removes erroneous - in BSGL floor calculation

pyfstat.py

@@ -368,8 +368,8 @@ class ComputeFstat(object):
             self.twoFX[1] = self.FstatResults.twoFPerDet(1)
             BSGL = lalpulsar.ComputeBSGL(twoF, self.twoFX,
                                          self.BSGLSetup)
-            if self.BSGL_FLOOR and BSGL < self.BSGL_FLOOR:
-                return -self.BSGL_FLOOR
+            if self.BSGL_FLOOR is not None and BSGL < self.BSGL_FLOOR:
+                return self.BSGL_FLOOR
             else:
                 return self.BSGL_PREFACTOR * BSGL/np.log10(np.exp(1))