diff options
Diffstat (limited to 'Python/pywarpx')
-rw-r--r-- | Python/pywarpx/picmi.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Python/pywarpx/picmi.py b/Python/pywarpx/picmi.py index ef2371699..741ae6e6e 100644 --- a/Python/pywarpx/picmi.py +++ b/Python/pywarpx/picmi.py @@ -61,7 +61,7 @@ class Species(picmistandard.PICMI_Species): else: self.charge = self.charge_state*constants.q_e # Match a string of the format '#nXx', with the '#n' optional isotope number. - m = re.match('(?P<iso>#[\d+])*(?P<sym>[A-Za-z]+)', self.particle_type) + m = re.match(r'(?P<iso>#[\d+])*(?P<sym>[A-Za-z]+)', self.particle_type) if m is not None: element = periodictable.elements.symbol(m['sym']) if m['iso'] is not None: |